Saturday

April 19, 2014

April 19, 2014

Number of results: 41,137

**math**

The vertices of a triangle are listed below. H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle? 1.The triangle is an obtuse isosceles triangle. 2.The triangle is a right scalene triangle. 3.The triangle is an obtuse scalene triangle. 4.The ...
*Friday, May 4, 2012 at 11:52pm by ana*

**Vectors/Calculus**

The question asks me to find the area of the triangle with the given vertices. (The area A of the triangle having u and v as adjacent sides is given by A=1/2 ||u x v||.) the vertices are: (0,0,0) (1,2,3) (-3,0,0)
*Sunday, April 7, 2013 at 6:12pm by Krista*

**math**

Consider a right triangle with sides of a = 3, b = sqrt7 and a hypotenuse of c = 4. Note that the side lengths satisfy the Pythagorean theorem: a^2 + b^2 = c^2 Consider the angle B of that triangle with cosine 3/4 The tangent of B is b/a = (sqrt7)/3 = 0.88192
*Wednesday, November 2, 2011 at 12:37am by drwls*

**Math**

consider a triangle with vertices (a,b), (c,d), (e,f), with the area of the triangle b/2 a = area of an equilateral triangle with side length b c = length of diagonal of a cube with side length b a/c = the positive asymptote of the conic equation (x^2)-2(y^2)=6 d = volume of ...
*Monday, December 17, 2007 at 10:56pm by Paragon*

**Math Geometry**

A triangle has vertices P(a,b), Q(c,d), and R(e,f). You are asked to prove that the image triangle angle P'Q'R' of triangle angle PQR after reflection across the y-axis is congruent to the preimage. What coordinates should you use for the vertices of triangle measurements P'Q'...
*Wednesday, January 28, 2009 at 11:46pm by Tracy*

**Algebra**

I'm stuck!! Can someone please help me with this problem?? A triangle has vertices (1, 4), (1, 1), and (-3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90 degrees counterclockwise about the origin. What are the vertices of ...
*Sunday, May 19, 2013 at 1:21am by Melania*

**geometry**

The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangle ABC, you may take it as a given fact that the location of the centroid of ...
*Tuesday, April 30, 2013 at 10:21am by denise*

**Theorem Calculus**

A thin triangle has vertices (0,0), (1,0), and (0,2). Let the density function at any given point on the triangle be represented by ρ(x,y)=1+3x+y. The mass of the triangle can be represented by p/q, where p and q are coprime positive integers. What is the value of p+q?
*Wednesday, June 26, 2013 at 9:57am by Crow*

**math URGENT!!**

It can be shown quite easily that the triangle created by joining the midpoints of a given triangle is similar to the original, and exactly 1/4 of its area. There are several methods to find the area of a triangle if you know the coordinates of the vertices. Use the method you...
*Thursday, October 25, 2012 at 4:17pm by Reiny*

**Geometry**

Determine whether triangle PQR is congruent to triangle STU given the coordinates of the vertices. Explain your conclusion. coordinates of triangle PQR P(0,3) Q(0,-1) R(-2,-1) S(1,2) T(1,-2) U(-1,-2)
*Tuesday, December 14, 2010 at 5:05pm by Adryan*

**Geometry **

Determine whether triangle DEF is congruent to triangle PQR given the coordinates of the vertices. Explain. D(-6,1) E(1,2) F(-1,-4) P(0,5) Q(7,6) R(5,0)
*Wednesday, October 10, 2012 at 5:14pm by Krissa*

**Algebra**

I need help with two math problems. 1. A triangle has vertices (1, 4), (1, 1), and (-3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90 degrees counterclockwise about the origin. What are the vertices of the image of the ...
*Sunday, May 19, 2013 at 12:10am by Kelly*

**6th grade math**

The vertices of triangle ABC are a(8,23) B(2,2) C(2,8). What are the coordinates of the vertices if the triangle is reflected across the x-axis? is it A(8,2) B(2, -2) C(2, -8)?
*Friday, April 6, 2012 at 1:45pm by i♥zee*

**Geometry**

The vertices of a triangle are P(-3,8), Q(-6, -4), and R (1, 1). Name the vertices of R (smaller letters)y-0 (triangle PQR). A. P'(-3, 8), Q'(-6,-4), R'(1,1) B. P'(-3,-8), Q'(-6,4), R'(1,-1) C. P'(3,-8), Q'(6,4), R'(-1,-1) D. P' (3,8), Q'(6,-4), R'(-1,1)
*Wednesday, March 26, 2014 at 8:52am by Sierra*

**geometry**

Lets concentrate on the quadrilateral ADEG. let the intersection of AE and DB be K GE || AD (given) So triangles ADE and ADG have the same base AD and the same height , since parallel lines are equal distances apart. So triangle ADE = triangle ADG but ADK is common to both, so...
*Saturday, January 15, 2011 at 2:46am by Reiny*

**math**

triangle ABC, with vertices A(2,3), B(4,-4), C(6,8), is reflected across the x-axis to form a triangle A'B'C'. Give the new coordinates for triangle A'B'C'.
*Wednesday, October 24, 2012 at 9:22pm by ashley*

**MATH**

Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
*Thursday, September 15, 2011 at 4:36pm by Chris *

**Ottawa University **

Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
*Thursday, September 15, 2011 at 3:35pm by Chris *

**trig**

Thanks so much! If I may pick at your brain, how did you know to draw the isosceles triangle at the top and the large triangle inside the octogan to solve this problem.I didn't even consider this.
*Thursday, January 15, 2009 at 3:10pm by Cathy*

**Geometry**

In addition to several methods for calculating the area of a triangle given the coordinates of its vertices, the area can be determined using only the coodinates themselves. Given the rectangular coordinates of the three vertices, the area of a triangle whose vertices are P1(...
*Wednesday, May 28, 2008 at 7:11pm by tchrwill*

**prob**

Consider the triangle with vertices (0; 0), (1; 0) and (0; 1). Let Z be a uniform random variable in the interval [0; 1]. Draw a vertical line that intersects the x axis at Z. This line divides the triangle in two pieces. Select a point (X; Y ) uniformly at random from the ...
*Friday, May 3, 2013 at 3:38am by hsuan*

**math**

A triangle has vertices with coordinates (2, 0), (3, -1), and (-2, -5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image.
*Thursday, December 19, 2013 at 8:51am by james*

**math**

A triangle has vertices with coordinates (2, 0), (3, -1), and (-2, -5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image.
*Thursday, December 19, 2013 at 8:52am by james*

**algebra**

The vertices's of triangle ABC are A(-1,2), b(0,3), and c(3,1). Determine the vertices A', B', and C' of the image of triangle ABC after a reflection across the x-axis.
*Monday, September 1, 2008 at 5:19pm by kareem*

**pre algebra **

Triangle XYZ has vertices X(- 1, 1), Y(- 3, 1), and Z( -2, 5). Reflect triangle XYZ in the y-axis. Find the vertices of the image
*Thursday, May 31, 2012 at 2:39pm by amy*

**Math**

Triangle ABC has vertices A(0,4),B(1,2),and C(4,6). Determine whether triangle ABC is a right triangle.Explain. How do I do this?
*Thursday, April 15, 2010 at 11:56pm by Shadow*

**Honors Geometry**

In a proof, I am given that Triangle GCF is congruent to Triangle GKF is congruent to Triangle JHM. Triangle GCF and Triangle GKF are Vertical Angles. I am also given that Angle C(on Triangle GCF) is 4y, and Angle G(on Triangle GKF) is 16y. So, obviously, the angle opposite it...
*Wednesday, November 3, 2010 at 8:39pm by Brenna*

**Math**

A triangle has 2 angles that measure 60 each. Which of the following best describes thiz triangle. A. Right isoseles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle
*Wednesday, March 2, 2011 at 9:41pm by Help*

**pre-calculus**

triangle KLM has vertices K(0,0), L(18,0), and M(6,12). a. Write equations for the altitudes to the three sides of the triangle. b. Show that the altitudes intersect at a single point O, called the orthocenter of the triangle.
*Tuesday, August 18, 2009 at 8:15pm by natalin*

**Trig**

Consider a triangle ABC like the one below. Suppose that A=45 degress, B=34 degress, and a= 70. Solve the triangle. Round your answers to the nearest tenth.
*Sunday, May 15, 2011 at 8:02pm by Jennifer*

**Precalculus**

The sides of an isosceles triangle are 10 cm, 10 cm, and 12 cm. A rectangle is inscribed in the triangle with one side on the triangle's base. The other two vertices of the rectangle are on the triangle's legs. Find the Maximum Area of the Rectangle.
*Sunday, November 18, 2012 at 2:46pm by Georges*

**math**

Triangle XYZ with vertices X(3,-1) Y(7,-3)Z(3,-5) undergoes an enlargement represented by the mapping: (x)--(-0.5 0)(x) +(-3) (y)--( 0 -0.5)(y) +(4) Evaluate: 1. The vertices of the image of triangle XYZ. 2. The centre of enlargement PS. The small brackets should be one big ...
*Thursday, April 25, 2013 at 5:26pm by lindsay*

**math**

Area of a Triangle. The area in square meters of a triangle is given by A(x)=x^2+5x+6 a)Find A(5) b)If the length of the triangle is x+3 then what is the base of the triangle?
*Wednesday, March 4, 2009 at 1:13pm by Debbie*

**Mathematics-please help!**

Two vertices are on the same vertical line, namely x=2, for (2,1) and (2,7). This is the base of the triangle with length 7-1=6. The height of the triangle from point (-2,3) to x=2 is 2-(-2)=4. Area of triangle = (1/2)base*height = (1/2)6*4 = 12
*Saturday, June 9, 2012 at 7:32am by MathMate*

**Math**

The segment that bisects an angle of the triangle and has one endpoint at a vertex of the triangle and the other endpoint at another point on the triangle is called the _________. The segment that has one endpoint at one of the vertices of a triangle and its other endpoint on...
*Friday, June 3, 2011 at 8:26pm by Sabrina*

**calculus**

make a sketch of a right-angled triangle, where the base angle is consider arcsin x that means, in our triangle state the angle so that sin = x or sin = x/1 so in your triangle label the adjacent side x and the hypotenuse 1 by Pythagoras, y^2 + x^2 = 1^2 y^2 = 1 - x^2 ...
*Wednesday, October 16, 2013 at 10:08pm by Reiny*

**algebra**

graph triangle rst with vertices r(-1,3),s(4,-2), t(2,-5) Draw the image triangle r's't' formed by rotating triangle rst 90 degree, 180 degrees, and 270 degrees about the origin. Give the coordinates of r',s', and t'.
*Tuesday, January 18, 2011 at 10:13pm by Angel*

**math**

Since D, E bisect BC and AC respectively, we have AE=139/2=69.5 BD=178/2=89 Let medians AD and BE meet at K. Let KD=x, DE=y Then BK=2y, AK=2x since medians intersect each other at third points. Consider right triangle AKE right angled at K: (2x)²+y²=69.5² (...
*Tuesday, June 25, 2013 at 5:22am by MathMatet*

**math**

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x-15, the triangle is 1)an isosceles triangle 2)a right triangle 3)an acute triangle 4)an equiangular triangle
*Friday, May 30, 2008 at 5:37pm by derek*

**math**

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x+15, the triangle is 1)isosceles triangle 2)right triangle 3)acute triangle 4)equiangular triangle
*Friday, May 30, 2008 at 11:38pm by derek*

**Math**

The vertices of an isosceles triangle are A(3, 6), B(7, 2), and C(4, 3). What is the equation of the triangle's line of symmetry? y= x+1 y= x-1 y= x y = -x+1
*Wednesday, January 18, 2012 at 1:20pm by sara*

**geometry**

a triangle with vertices a(-2,3) B9-5,-6), C(3,1) draw a image of the triangle under the M(y)
*Thursday, June 12, 2008 at 1:14pm by me*

**Vectors**

A triangle has vertices A(2,3,7), B(0,-3,4) and C(5,2,-4) a.) Determine the largest angle in the triangle.
*Wednesday, May 5, 2010 at 10:18pm by Sarah*

**MATH**

Which point of concurrency in a triangle is the center of a circle that contains the vertices of the triangle?
*Saturday, October 31, 2009 at 11:37pm by KAYTLYN*

**geometry**

The triangle DEF has vertices D(-1,3) E(7,1) and F(4,6). Classify the triangle as: a) isosceles or scalene b) right angled or not
*Saturday, January 2, 2010 at 3:51pm by p*

**10th grade Math**

Triangle POB has vertices: P(0 , 4) O(-3 , 0) B(3, 0). Determine the orthocentre of the triangle.
*Saturday, March 20, 2010 at 2:30pm by Jenny*

**geometry**

find the measures of each side of triangle abc with vertices a(-1,5), b(6,1), c(2,6) and classify the triangle.
*Saturday, February 19, 2011 at 6:28pm by Tori*

**geometry**

Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?
*Friday, April 15, 2011 at 7:57am by Teresa*

**Geometry **

Triangle ABC has vertices of A(0,0), B(4,0)and C(2,4). The coordinates of each vertex in triangle AEF are multiplied by 3 Is triangle ABC~AEF? Explain.
*Friday, March 29, 2013 at 2:31pm by Lydia*

**Geometry**

is triangle XYZ with vertices X(-3,1), Y(2.4), Z(2.-5) a scalene triangle?
*Thursday, January 24, 2008 at 6:44pm by Swassy*

**maths**

The triangle has vertices A(0,1),B(1,6) and C(5,2).Prove that the triangle is isosceles.
*Monday, February 27, 2012 at 2:33am by mulinda*

**Mathematics-please help!**

The vertices of a triangle are (-2,3),(2,1) and (2,7). What is the area of this triangle?
*Saturday, June 9, 2012 at 7:32am by Jeconiah*

**geometry**

Do you mean triangle KLM? What do you mean by saying a triangle equals 5? Do you mean that side LM has a length of 5? If so, consider the law of sines. Angle K is opposite to side LM. Angle M is opposite to side KL. You have only provided two pieces of information about the ...
*Wednesday, September 2, 2009 at 11:18am by drwls*

**math**

-3+-5--4-+2= -6 would that be correct? also The coordinates of three vertices of a triangle are (3,5),(-1,5)and (-1,-3) what is the area of the triangle? 32?
*Sunday, May 1, 2011 at 11:09pm by heather*

**Math**

The three lines x-y+1=0 ,2x+y-4=0 ,and x+y+5=0 intersect to form a triangle. Find the coordinates of the vertices of the triangle.
*Sunday, September 9, 2012 at 9:58am by Vanessa*

**Geometry**

Help I need help to find the coordinates of the circumcenter of each triangle. Isosceles triangle CDE with vertices C(0, 6), D(0, 6), and E(12, 0)
*Thursday, November 15, 2012 at 8:25pm by Zach*

**Math**

Need help on the problem below. Tommy drew a triangle. Which information will enable you to draw a triangle that is congruent to Tommy's triangle? a. 2 given sides b. 2 given angles c. 2 given sides and 1 given angle d. 3 given angles Thanks....
*Saturday, October 26, 2013 at 6:57pm by Brandi*

**Physics**

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would go in front of k*q/L...
*Monday, October 21, 2013 at 2:56pm by susma*

**geo (finals)**

please help! i dont get these problems at all! a(4,3) b(7,4) and c(5,2) are midpoints of a triangle. find the coordinates for the vertices of the triangle!
*Monday, December 13, 2010 at 10:08pm by Skylar*

**Math**

A triangle has vertices X(0,0), Y(4,4), and Z (8,-4). a) Write an equation for each of the three medians b) Recall that the centroid of a triangle is the point of intersection of the medians of the triangle. Use the equations from part a) to verify that (4,0) is the centroid ...
*Friday, October 12, 2007 at 8:32pm by Luisa*

**college physics**

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would go in front of k*q/L...
*Tuesday, October 22, 2013 at 1:29pm by sied*

**math**

Triangle XYZ has vertices X(-5,3), and Z(7,-6). Find the coordinates of vertex X after the triangle is dialated using a scale factor of 4
*Friday, December 28, 2012 at 2:52pm by marie*

**Physics pls anyone can help me? its urgent**

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would go in front of k*q/L...
*Tuesday, October 22, 2013 at 2:53am by sied*

**geometry**

the vertices of triangle ABC are A(1,7)B(9,3)C(3,1) a.prove that the triangle is a right triangle b.which angle is the right angle? c.which side is the hypotnuse? d.what are the coordinatesof the midpoint of the hypotnuse? e.what is the equation of the median from the vertex ...
*Friday, February 20, 2009 at 11:52am by melissa*

**Pre Calculus/Trig**

As suggested by bobpursley, use the cosine law to get c, I got 8.1 Now use the Sine Law to find angle A, which I got to be 43.16 Let P be the centre of the incsribed triangle. A property of that circle is that its centre is the intersection of the angle bisectors of the ...
*Thursday, October 11, 2007 at 9:04pm by Reiny*

**math**

Let x = length of side of square thus area of square is A,square = x^2 recall that area of triangle is given by A,triangle = (1/2)b*h where b is the base and h is the height. The base and height of the triangle AMN are equal, which is (1/2)x. Thus, A,triangle = (1/2)*[(1/2)x...
*Saturday, May 19, 2012 at 10:07am by Jai*

**Math-CHECK PLEASE**

Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got either A or D. I don't know. Also, if angle A is ...
*Tuesday, March 8, 2011 at 5:46pm by Catherine*

**7th Grade Geometry **

A Rectangle with vertices A B C AND D. The triangle is divided with vertices P AND Q. How many right triangles can you make with using only three of the vertices {A B C D P OR Q}. AND also the answer for this question is not 12 or 6
*Sunday, November 7, 2010 at 12:29am by Jacytiopa*

**ALgebra**

use slopes to show that the triangle with vertices (-2,7), (6,9) and (3,4) is a right triangle. write an equation of the line that has y-intercept 5/7 and is parallel to the graph of 6x-3y=1
*Tuesday, October 19, 2010 at 7:23pm by jose*

**9th grade**

given that a(-1,8) ,b(2,4) and if the line y=4 is the axis of symmetry of triangle abc find c.show that triangle abc is an isosceles triangle,calculate the area of triangle abc,calculate the perpendicular distance from a to bc
*Tuesday, March 23, 2010 at 8:35am by anum*

**geometry**

I need to figure out this proof, the figure is two triangles forming a rhombus. Given: segment BD is the angle bisector of triangle ABC and triangle ADC Prove: Triangle ABD is congruent to Triangle CBD So far I have segment BD is the angle bisector of triangle ABC and triangle...
*Sunday, December 15, 2013 at 10:51am by cassidy*

**simple GEOMETRY!!**

Consider the sum of the angles in triangle BDC. The two acute angles of that triangle are 60/2 and 30/2. BDC is the remaining obtuse angle. BDC = 180 - (15 + 30) = 135 ∘
*Tuesday, March 19, 2013 at 7:07am by drwls*

**Math**

A Rectangle with vertices A, B, C, AND D. The triangle is divided with vertices P AND Q. How many right triangles can you make with using only three of the vertices {A, B, C, D, P, OR Q}. Also The answer is not 12 or 16. Our teacher gave us this hints
*Sunday, November 7, 2010 at 3:11pm by Camara*

**Vectors/Calc**

Find the area of a triangle with the given vertices: (7,3,4)(1,0,6)(4,5,-2)
*Tuesday, May 17, 2011 at 9:22pm by Anonymous*

**Geometry**

what are the coordinates of the centroid of each triangle given the three vertices of D(0,3),C(-1,0),B(4,0)?
*Thursday, January 26, 2012 at 1:02am by Dece*

**calculus**

A rectangle is inscribed in an isosceles triangle. If the sides of the triangle are 10, 10 and 12, what are the dimensions of the rectangle having the greatest area? The diagram shows the triangle on a set of axes with base 12 on the x axis and the top vertices on the y axis.
*Sunday, December 11, 2011 at 8:05pm by Tina*

**math- Triangle facts**

(1) A triangle is called an isosceles triangle if it has two sides with equal lengths. Consider an isosceles triangle ABC with AC = CB. Then side AB (i.e. the side that is not equal to the other sides) is called the base side. The angle opposite the base side is called the ...
*Thursday, February 14, 2008 at 4:52pm by Guido*

**GEOMETRY ONE QUESTION PLEASE HELP!!!!!**

Where is the circumcenter of any given triangle? the point of concurrency of the altitudes of the triangle the point of concurrency of the perpendicular bisectors of the sides of the triangle the point of concurrency of the bisectors of the angles of the triangle the point of ...
*Wednesday, December 14, 2011 at 11:56am by ^_^*

**MATH**

APPLY THE RULE [1.5X, 1.5Y] TO THE VERTICES OF TRIANGLE TO GET TRINGLE PQR. COMPARE THE CORRESPONDING MEASUREMENTS[SIDE LENGTHS, PERIMETER, AREA, ANGLE MEASURES] OF THE TRIANGLE
*Sunday, January 9, 2011 at 3:14pm by VINI*

**trig**

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm
*Wednesday, April 16, 2008 at 11:09pm by Abigail*

**geometry**

The coordinates of the vertices of a triangle are A(1,3), B(6,10), and C(11,18). Find the perimeter of the triangle when the coordinates are multiplied by 3.
*Sunday, August 21, 2011 at 3:08pm by Luke Phillips*

**Vectors**

A triangle has vertices A(2,3,7), B(0,-3,4) and C(5,2,-4) A) determine the largest angle in the traingle b) determine the area of of the triangle pls tell me how to solve the problem
*Friday, May 14, 2010 at 7:17pm by Marie*

**college algebra**

an isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices (0,0), (3,4),(7,1) is isosceles.
*Thursday, February 2, 2012 at 3:46pm by john*

**geometry**

The coordinates of the vertices of triangle CDE are C(1,4), D(3,6), and E(7,4). If the triangle is reflected over the line y=3, what are the coordinates of the image of D? I think (3,-6), but not real sure.
*Monday, March 5, 2012 at 1:27pm by Brandon*

**geometry**

Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x-4,y+2) and give the new vertices to find A', B', C' 4. ...
*Monday, April 7, 2014 at 4:44pm by brit*

**calculus**

a right triangle is formed in the first quadrant by the x- and y- axes and a line through the point (1,2). write the length of the hypotenuse as a function of x. find the vertices of the triangle such that its area is a minimum.
*Sunday, March 17, 2013 at 10:18am by ej*

**Geometry **

Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC is 3/2, are the lines parallel, perpendicular or neither?
*Saturday, July 14, 2012 at 6:39pm by Math*

**math**

Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC is 3/2, are the lines parallel, perpendicular or neither?
*Saturday, July 14, 2012 at 9:35pm by ashley*

**geometry**

Given m 1 + m2=90, what can we conclude? Well, if the angles are in a triangle, the other angle is 90 degrees, which makes the triangle a right triangle.
*Thursday, June 28, 2007 at 3:50pm by tina*

**Math**

Given a scale factor of , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0).
*Friday, November 9, 2012 at 12:25pm by HOLAMOM*

**Math**

Given a scale factor of 1/2, find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0).
*Friday, November 9, 2012 at 12:25pm by HOLAMOM*

**Math**

the triangle can be formed by joining alternate vertices of the hexagon. So, if the hexagon has side s, the triangle has side s√3 Now the hexagon consists of sic equilateral triangles of side s, so its area is 6(s^2 √3/4) = 3√3/2 s^2 The triangle has area &#...
*Friday, December 13, 2013 at 2:31pm by Steve*

**math**

Plot the points A(2,2), B(4,6),C(10,-2)Notice that these points are vertices of a right triangle (the angle is 90 degrees). Find the area of the triangle ABC:
*Thursday, February 3, 2011 at 10:21pm by katrina*

**math**

apply the rule (1.5x, 1.5y) to the vertices of triangle ABC to get triangle PDR. Compare the corresponding measurements (side lengths, perimeter, area, angle measures) of the two triangles.
*Saturday, November 6, 2010 at 6:07pm by jacko*

**math**

Apply the rule (2x, 0.5y) to the vertices of triangle ABC to get triangle FGH. Compare the corresponding measurements (side lengths, perimeter, area, angle measures) of the two triangles.
*Saturday, November 6, 2010 at 6:11pm by jacko*

**geometry **

if one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle.
*Friday, January 28, 2011 at 12:44am by properties of triangle*

**geometry **

if one angle of a triangle is equal to the sum of the other two show that the triangle is a right triangle.
*Friday, January 28, 2011 at 1:13am by properties of triangle*

**math**

i have a question in math (( distance between two points )) the vertices of a right triangle are S(-2,-2), T(10,-2), and R(4,5). find the area of the triangle. please in detales .. thank u
*Friday, November 9, 2007 at 2:45pm by mota*

**analytic geometry**

the base of an isoceles triangle lies on the x-axis. The coordinates of the midpoints of the equal sides pf the triangle are (2,3) and (-2,3). What are the coordinates of the vertices of the triangles? Please help.
*Sunday, October 19, 2008 at 6:21pm by Cynthia*

**math**

9. An isosceles triangle is drawn with its vertex at the origin and its base parallel to the x-axis. The vertices of the base are on the curve Find the area of the largest such triangle.
*Saturday, October 9, 2010 at 9:49am by calculus*

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