Number of results: 35,972

**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)

*April 7, 2013 by Krista*

**Geometry**

given the parallelogram of the perimeter RATU with vertices R(1,3) S(-2,-2) T(4,0) U(7,4):round to the nearest hundredth Rec1: Rec2: triangle 1: triangle 2: triangle 3: triangle 4:

*April 10, 2016 by Anthony*

**Matrices**

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° counterclockwise about the origin. What are the vertices of the image of the triangle

*May 7, 2014 by Maria*

**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 ...

*May 19, 2013 by Melania*

**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'...

*January 28, 2009 by Tracy*

**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 ...

*May 19, 2013 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)?

*April 6, 2012 by i♥zee*

**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?

*June 26, 2013 by Crow*

**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)

*October 10, 2012 by Krissa*

**geometry**

Determine whether triangle PQR is congruent to triangle STU given the coordinates of the vertices. Explain. P(4,0),Q(2,-3)r(-1,4),S(-1,4), t(1,-1),u(4,6)

*June 25, 2016 by myra*

**Pre-Calculus**

Hi! I need help with this math homework question: If you had a triangle that has the vertices (-2, 1), (0, -5), and (1. 2) and you had to shift that triangle 5 units left and 4 units down, how would you find the vertices of the shifted triangle?

*September 9, 2014 by Kali*

**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)

*March 26, 2014 by Sierra*

**math**

A triangle has vertices at S(4,1), T(2,-3),and U(4,0). The triangle is translated up 3 units. What are the coordinates of the vertices of the image?

*March 8, 2017 by jay*

**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

*November 7, 2010 by Jacytiopa*

**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

*November 7, 2010 by Camara*

**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)

*December 14, 2010 by Adryan*

**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 ...

*April 30, 2013 by denise*

**8th Grade Pre-Algebra**

Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has vertices P'(1, −2), Q'(0, 3), and R'(−1, 0). Plot triangles PQR and P'Q'R' on your own coordinate grid. Part A: What is the scale factor of ...

*November 13, 2016 by Music Lover 14*

**Geometry**

R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m<R = 60°, m<S = 80°, m<F = 60°, m<D = 40°,? RS = 4, and EF = 4. Are the two angles congruent? If yes, explain how and identify which segment is congruent to RT. My ...

*November 9, 2015 by Steve*

**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.

*December 19, 2013 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.

*December 19, 2013 by james*

**rasul**

The vertices of triangle LMN are L(3,1) M(4,3) N(-2,1). a transformation maps triangle onto one with vertices at L(-1,3) M(0,5) N(2,-1). Describe transformation and find its matrix

*August 27, 2015 by juma*

**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.

*September 1, 2008 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

*May 31, 2012 by amy*

**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 ...

*December 17, 2007 by Paragon*

**Algebra 2**

Choose the equation that best represents an ellipse for the given foci and co-vertices. 1. foci (+-2, 0) co-vertices (0, +-4) 2. foci (+-3, 0) co-vertices (0,+-6) 3. foci (0, +-3) co-vertices (+-5, 0) Choose the equation for the hyperbola centered at the origin with the given ...

*April 12, 2009 by Karen*

**algebra**

4. A triangle has vertices (–2, –3), (3, 5), and (8, –1). a. Write a matrix expression to represent reflecting the triangle across the x-axis. Evaluate the matrix expression and list the coordinates of the vertices of the transformed figure.

*May 31, 2014 by me myself and i*

**math**

This question is suppose to be simple but i keep getting it wrong Triangle LMN has vertices L(1, 6), M(6, 3) and N(5, 7). What type of triangle is Triangle LMN? Select all that apply Scalene triangle Right triangle Isosceles triangle Equilateral triangle Obtuse triangle Acute ...

*March 1, 2017 by Jakis*

**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 ...

*April 25, 2013 by lindsay*

**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 ...

*May 4, 2012 by ana*

**Vectors/Calc**

Find the area of a triangle with the given vertices: (7,3,4)(1,0,6)(4,5,-2)

*May 17, 2011 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)?

*January 26, 2012 by Dece*

**mathematics**

Given triangle DEF with vertices D(-3;6) ,E(-2;-3) and F(x;1) with DE=DF, determine the value of x

*April 17, 2015 by Anonymous*

**Geometry**

Find the coordinates of the orthocenter of the triangle with the given vertices. L (8,0) M (10,8) N (14,0)

*November 30, 2015 by Chase*

**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. ...

*April 7, 2014 by brit*

**Algebra II**

A triangle has vertices (-2,-3), (3,5), and (8,-1) Write a matrix expression to represent rotating the triangle 90° clockwise. Evaluate the matrix expression and list the coordinates of the vertices of the transformed figure. Please help me! I was absent for the entirety of ...

*May 17, 2016 by Anonymous*

**Geometry**

Triangle ABC has vertices A = (0,6) B = (-2,3), and C = (2,1). Find the coordinates of its vertices if it is translated by the equations: x' = x - 4, y' = y -3

*December 4, 2009 by Lenora*

**geometry**

The vertices of a triangle are P(–8, 1), Q(–6, –8), and R(4, –3). Name the vertices of the image reflected across the x-axis.

*January 12, 2012 by ryan*

**geometry**

the vertices of a triangle are p(-7 -4),q(-7,-8),and r(3,-3).Name the vertices of the image reflected across the line y=x. help!!

*October 5, 2015 by tj*

**geometry**

the vertices of a triangle are p(-7 -4),q(-7,-8),and r(3,-3).Name the vertices of the image reflected across the line y=x.

*October 5, 2015 by tj*

**Geometry**

The vertices of a triangle are P(-4,1), Q(-2,-8), R(8,-1). What are the vertices of the image reflected across the y-axis? my answer is P'(4,1),Q'(2,-8),R'(-8,-1)

*November 5, 2015 by Steve*

**geometry**

the vertices of a triangle are p(2,8, q(-8,-7)and r(5,-6). name the vertices of the image refected in the x-axis?

*October 18, 2012 by stephanie*

**geometry**

The vertices of a triangle are P(-8,1), Q(-6,-8), and R(4,-3) Name the vertices of the image reflected across the x-axis. my answer; P1(-8,1), Q1(-6,8), and R1(4,3)

*May 24, 2012 by lilman*

**geometry**

the vertices of a triangle are p(-7 -4),q(-7,-8),and r(3,-3).Name the vertices of the image reflected across the line y=x. the choices are A. P'(4,7),Q'(8,7),R'(3,-3) B. P'(4,-7),Q'(8-7),R'(3,3) C. P'(4-7),Q'(-8,-7),R(-3,3) D. P'(-4,7),Q'(-8,7),R'(-3,-3)

*October 5, 2015 by jenny*

**geometry**

The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the y-axis. 1.P'(–4, –1), Q'(–2, 8), R' (8, 1) 2.P'(4, –1), Q'(2, 8), R'(–8, 1) 3.P'(4, 1), Q'(2, 8), R'(–8, –1) 4.P'(–4, 1), Q'(–2, –8...

*October 28, 2015 by jenny*

**Geometry**

7. the vertices of a triangle are p(-7 -4) q(-7,-8 and r(3,-3) name the vertices of the image reflected across the line y=x A. P'(4,7),Q'(8,7),R'(3,-3) B. P'(4,-7),Q'(8-7),R'(3,3) C. P'(4-7),Q'(-8,-7),R(-3,3) D. P'(-4,7),Q'(-8,7),R'(-3,-3) I really need HELP

*October 5, 2015 by dea*

**analytic geometry/graphing problem**

The vertices of a triangle are the points of intersection of the line y=-x-1, x=2 and y = 1/5x + 13/5. Find an equation of the circle passing through all three vertices. I don't understand how to solve this: should I set them all equal to find the vertices? But afterwards, ...

*March 19, 2013 by Knights*

**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...

*October 21, 2013 by susma*

**Math**

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (5, 1), (1, 1), and (1, 7). What is the perimeter of the triangle? 28 24 14---- my answer 10

*January 23, 2015 by Sara*

**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).

*November 9, 2012 by HOLAMOM*

**additional mathematic**

A triangle has vertices A(0,2), B(3,7), C(0,6). Given that ABCD is a parallelogram, find i)coordinates of D

*April 11, 2016 by flora*

**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'.

*October 24, 2012 by ashley*

**Math**

Two vertices of a right triangle are (0,1) and (0,6). The area of the triangle is 10 square units. Which point could be the third vertex of the triangle?

*April 16, 2014 by Shohanur*

**math**

One triangle has vertices A, B, and C. Another has vertices T, R, and I. Are the two triangles similar? If so state the similarity and the scale factor. AB- 6 BC- 8 AC- 10 TR- 10 RI- 7.5 TI- 12.5

*February 6, 2008 by Anna-Marie*

**Math**

1. The vertices of a triangle are P(2,-4), Q(-5,3), and R(-1,-2). What are the vertices of the image reflected across the y-axis? A) P(2,-4), Q(-5,3), R(-1,-2) B) P(2,4), Q(-5,-3), R(-1,2) C) P(-2,-4), Q(5,3), R(1,-2) D) P(-2,4), Q(5,-3), R(1,2) Could someone please help me ...

*January 30, 2016 by Tim*

**Math! Help Hurry!**

Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) . What is the length of the side formed by these vertices?

*March 3, 2017 by JT*

**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...

*October 22, 2013 by sied*

**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.

*September 15, 2011 by Chris*

**Please help with Algebra 2 Ms. Sue**

A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain. How do I find the answer? I am not sure what equation to use.

*September 15, 2016 by maczinthehouse*

**Calculus**

How do I use three vertices to calculate the area of a triangle? The three vertices are (0,0), (2,1), and (-1,6). I've figured out that the equations of the lines that make up the triangle are y = -6x, y = (1/2)x, and y = (-5/3)x + 4.34ish. Now I have to integrate to find out ...

*February 6, 2016 by Anonymous*

**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.

*September 15, 2011 by Chris*

**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...

*October 22, 2013 by sied*

**algebra**

Given triangle XYZ with vertices X(-2,0),Y(6,0), and Z(4,8), find the number of square units in its area.

*January 14, 2011 by mary*

**math**

After a triangle is rotated 180 degrees, its vertices are at (-4,1),(-1,4), and (-5,-8). What were the coordinates of the vertices before the rotation? I think the answer is (1,-4), (4,-1),(8,-5). Is this right?

*December 1, 2007 by robert*

**math**

After a triangle is rotated 180 degrees, its vertices are at (-4,1),(-1,4), and (-5,-8). What were the coordinates of the vertices before the rotation? I think the answer is (1,-4), (4,-1),(8,-5). Is this right?

*December 1, 2007 by robert*

**Geometry**

Determine whether the polygons with the given vertices are similar. Quadrilateral ABCD with vertices A(–3, 3), B(0, 3), C(0, 1), D(–3, 1) and quadrilateral EFGH with vertices E(2, –8), F(8, –8), G(8, –12), H(2, –12)

*May 14, 2014 by Anonymous*

**Analytic Geometry**

The line segment joining a vertex of a triangle and the midpoint of the opposite side is called the median of the triangle. Given a triangle whose vertices are A(4,-4), B(10, 4) and C(2, 6), find the point on each median that is two-thirds of the distance from the vertex to ...

*April 23, 2015 by Alexis*

**Math help please!!!!!!**

Given a scale factor of 1/2,find the coordinates for the dialation of the triangle with vertices as (0,0),(0,2), and (4,0). A.(0,0),(0,4),(8,0) B.(0,0),(0,1),(2,0) C.(1/2,1/2),(1/2,1),(2,1/2) D.(2,2),(2,4),(8,2) Is the answer B?

*November 13, 2014 by Callie*

**Calculus**

Find the volume of the given solid. Under the surface z = 7xy and above the triangle with vertices (1, 1), (4, 1), and (1, 2)

*October 11, 2016 by Anon*

**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.

*November 18, 2012 by Georges*

**Geometry ONE MULTIPLE CHOICE QUESTION PLEASE HELP!**

The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the x-axis. P'(–4, –1), Q'(–2, 8), R' (8, 1) P'(4, –1), Q'(2, 8), R'(–8, 1) P'(4, 1), Q'(2, 8), R'(–8, –1) P'(–4, 1), Q'(–2, –8), R'(8...

*March 20, 2012 by Katie*

**Algebra**

Find the coordinates of the midpoint of the hypotenuse of the right triangle whose vertices are A (1,1) B (5,2) C (4,6) and show that it is equidistant of each of the vertices..... And can you please tell me how to prove it in drawing....

*June 9, 2014 by Tsunayoshi*

**Help with triangle**

I need help with these: Triangle LMN has vertices L(-6,5), M(-4,-3), N(-2,4). Find the coordinates of the vertices of its image after it is reflected over the x-axis and then translated by (-3,0) a. L(-9,-5), M(-7,3), N(-5,-4) b. L(-6,-5), M(-4,-3), N(-2,-4) c. L(-5,-6), M(-7,...

*August 29, 2006 by Garcelyn*

**Geometry**

I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,-5),H(6,0). Find the coordinates of the vertices after a refelection over the y-axis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the y-axis negates the x ...

*September 13, 2006 by Madi*

**Algebra**

A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain.

*September 15, 2016 by Anonymous*

**Math**

1. the points given are two of the 3 vertices of a right triangle. Which could be the third vertex of the triangle given 2 points are (-4,-5) & (3,2) ? 2.) A circle with center O and radius r is intersected at 2 distinct points by line l. Which is true? a. The distance between...

*November 9, 2015 by Sophia*

**maths**

1.Without using Pythagorus theorm, prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle. 2. The 3 vertices of a parallelogram taken in order are (3,4),(-2,3), (-3,-2).Find the coordinates of the fourth vertex ?

*January 28, 2017 by kumar*

**Math**

Let A (2, 3); B (-2, -1) and C (5, -2) be vertices of triangle ABC. If the line connected by points B and C is the base of these triangle and the line bisected through point A is the altitude then what will be the area of the triangle?

*July 7, 2016 by amikhailov*

**Algebra II-Please check my calculation**

Find center, vertices, co-vertices and foci for the following; (x-3(^2/49 + (y-4)^2/4 = 1 Center would be (3,4) A=7 b=2 Vertices would be found this way: (h+-a,k) (3-7,4) (3+7,4) Vertices = (-4,4) (10,4) Co-vertices (h,k+-b) (3,4-2) (3,4+2) Co-vertices=(3,2) (3,6) If ound "c" ...

*March 28, 2011 by Sheila*

**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.

*August 18, 2009 by natalin*

**maths**

1.Without using Pythagorus theorm, prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle. 2. The 3 vertices of a parallelogram taken in order are (3,4),(-2,3), (-3,-2).Find the coordinates of the fourth vertex ? can u pl explain me in detail.

*January 28, 2017 by kumar*

**Math Urgent Please Help**

Which coordinates could be the vertices of a triangle similar to triangle RST? {original triangle coordinates R(0,0); S(0,4); T(3,0)} a. (2,2), (2,6), and (6,0)*** b. (0,0), (0,6), and (10,0) c. (2,2), (2,10), and (6,2) d. (0,0), (0,8), and (6,0)

*June 3, 2016 by Mame*

**Math**

∆ABChas vertices A(–1, –2), B(–4, –4), and C(–3, –5). Graph ∆ABC and its image after a reflection over the x-axis. Name the coordinates of the vertices of the reflected triangle...is it A(1,-2), B(3, -4), C(2,-5) or A(-1,2), B(-3,4), C(-2,5)

*December 29, 2014 by Marie*

**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 ...

*May 3, 2013 by hsuan*

**8th grade geometry**

How do I find the answer to the following question without knowing the 3rd vertices? Graph a triangle with vertices (3,-2), (-3,2) and height of 3 units. The answer is supposed to be (3, -2), (0,1) and (-3, -2).

*October 5, 2015 by Alexis*

**Calculus Help**

Use calculus to find the area A of the triangle with the given vertices. (0, 0), (3, 1), (1, 8) A = ????

*May 1, 2014 by Anonymous*

**Six Vertices of A Box**

Opposite vertices of a rectangular box whose edges are parallel to the coordinate axes are given below. List the coordinates of the other six vertices of the box. (0, 0, 0); (4, 2, 2)

*February 22, 2008 by John*

**Chemistry**

General Chemistry 111 11/28/11 Chapter 9 Extra Credit Quiz Name: _____________________________ Section #______________________ Tetrahedral geometry has a bond angle of about 109.5 °. Given that a tetrahedron is made up of 4 equilateral triangles each of length x, what is the ...

*December 4, 2011 by Olayinka*

**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?

*April 15, 2010 by Shadow*

**MATH**

Which point of concurrency in a triangle is the center of a circle that contains the vertices of the triangle?

*October 31, 2009 by KAYTLYN*

**10th grade Math**

Triangle POB has vertices: P(0 , 4) O(-3 , 0) B(3, 0). Determine the orthocentre of the triangle.

*March 20, 2010 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.

*February 19, 2011 by Tori*

**geometry**

Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?

*April 15, 2011 by Teresa*

**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

*January 18, 2012 by sara*

**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

*January 2, 2010 by p*

**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?

*May 1, 2011 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.

*September 9, 2012 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)

*November 15, 2012 by Zach*

**Geometry**

A triangle has vertices (3, 0) and (6, 4). One of its angles is bisected by the x axis. Find the perimeter of the triangle.

*May 18, 2016 by Momo*

**geo (finals)**

please help! i don't 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!

*December 13, 2010 by Skylar*