Tuesday
February 9, 2016

Search: isosceles triangle

Number of results: 6,038

Geometry
What is the ratio of the area of triangle XBY to the area of the triangle ABC for the given measurements, if XY is similar to AC, and XY=2 and AC=3
May 17, 2010 by Kaley

Math
The area of a triangle is 75 sq in. Calculate the possible angles formed by the triangle's 12-inch and 15-inch side.
August 11, 2010 by jess

Algebra
one leg of a triangle is 4. Another leg measures 7. If the perimeter of the triangle is 17. What is the length of the other side ?
October 7, 2010 by Adilene

math
Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 3, YC = 2
June 6, 2011 by Anonymous

Math
The lengths of the sides of a triangle are 6,7, and 9. What is the longest side of a similar triangle whose shortest side is 4.
September 23, 2011 by Della

geometry
Points P(1, 5) and Q(4, 1) on a coordinate grid represent side PQ of triangle PQR. What is the length of side PQ of the triangle?
November 11, 2011 by Billy

geometry
a triangle has 2 sides that equal 4 inches. the other side equals 2 inches. what kind of triangle is it?
November 21, 2011 by morgan piccini

math
Draw a kite that has a triangle with sides 1, 1, 2x next to a triangle with sides 2x, 2, 2. Find the area A and the x that maximizes it.
August 8, 2012 by rolan

math
the area of triangle wxz in the diagram below is 48 cm2. what is the perieter in centieters of triangle wxz
November 12, 2012 by jerome

Math
An equilateral triangle is inscribed in a circle. Each side of the triangle has length x. What is the area of the circle? Please help
December 13, 2013 by Kizzy

math
The base of triangle is 2cm less than the altitude and the area of the triangle is 60cm. calculate the altitude.
February 3, 2016 by Ruth

triangle
1,600x8= what on a math triangle i cant get it
March 11, 2008 by lexie

Geometry
I just need somebody to help me check my work so I know I'm doing the right thing, i suck at geometry There's are a total of 11 questions 1.)Classify the figure in as many ways as possible a.)rectangle,square,quadrilateral, parallelogram, rhombus<<<<my answer b.)...
January 11, 2016 by anonymous

PLEASE HELP!!!!! (Right Triangle Question)
Point N is on hypotenuse BC of triangle ABC such than angle CAN is 45 degrees. If AC=8 and AB=6, find AN. I did Pythagorean Theorem for triangle ABC, and hypotenuse BC will be 10. I don't know how to continue from there. Oh, I'm also unsure about this, but if angle CAN is 45 ...
April 9, 2012 by My Name Is Bob

Trigonometry
in triangle abc, if sin c= (sin a + sin b )/ ( cos a + cos b ) prove that triangle abc is a right-angle triangle.
July 13, 2008 by Tommy

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
November 9, 2007 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.
October 19, 2008 by Cynthia

math
she rolls a cube that has a square triangle circle triangle star rectangle, what is the probability the cube will land on a face with a polygon on her first roll?
May 17, 2010 by Anonymous

Geometry
The shape is a triangle with a line in the middle. How do I write an indirect proof with this information? triangle LMN . MP is down the middle Given: NP > LP Prove: MP is not a median
September 27, 2010 by Anon.

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.
May 15, 2011 by Jennifer

maths
A circle has a circumference of 1 Cm and an equilateral triangle has sides each 1 Cm long. How many complete turns of the circle will it take to go around the triangle to its original starting position.
September 16, 2011 by jojo

math
One side of triangle is 10 centimetres, two angles next to that side are 30 and 60. I need to find all three angle bisectors of triangle.
January 15, 2012 by eve

algebra
a triangle have lengths that are consecutive whole numbers and its perimeter is greater than 2008 cm.If the least possible perimeter of the triangle is x cm, find the value of x.
March 17, 2012 by Anonymous

pre algebra check
The measures of two angles of a triangle are given. Tell whether the triangle is acute, right, or obtuse. 19,35 I think its obtuse
May 29, 2012 by amy

math
One leg of a right triangle is 3cm more than half the length of the other leg.the area of the triangle is 54cm^2. How long are each of the legs.
February 13, 2013 by shonye

math
One leg of a right triangle is 3cm more than half the length of the other leg.the area of the triangle is 54cm^2. How long are each of the legs.
February 13, 2013 by shonye

math
the sum of the lengths of any two sides of a triangle must be greater that the length of the third side. what are the possible valuse of x for this triangle. if the sides are (x+5)cm, and (3x)cm, and 40cm
April 4, 2013 by mandie

math
Please Help! The perimeter (distance around) of a triangle is 7/x+1, The sum of two sides of the triangle is 3/x, the distance of the remaining side follows he format ax+b/x^2+x. what is the vale of a?
October 2, 2013 by sam

Algebra NEED HELP PLEASE
If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
December 5, 2013 by Anonymous

Math
The longer leg of a triangle is one foot less than twice the shorter leg. The hypotenuse is 17 feet long. Find the area of the triangle.
April 15, 2014 by Jane

Math
In a triangle ABC, PQ is the midpoint of AB and AC. PQ = 2cm, BC =3cm. The area of trapezium PQCB = 10cm^2. If the area of triangle APQ = xcm^2. Calculate the value of x.
July 1, 2014 by Christopher

Math
The sides of a triangle are 6cm, 7cm, and 10cm. Find the length of the longest side of a similar triangle whose shortest side is 12cm
August 25, 2014 by Agnes Cuba

Geometry
The areas of two similar triangles are in the ratio 36:25. If one side of the larger triangle is 60cm, what is the length of the corresponding side of the other triangle?
February 9, 2015 by rhianne

math
The angles of a triangle are in the ratio 1:2:3. If its hypotenuse is 12cm, find the volume of the double cone formed by revolution of triangle about its hypotenuse. Pls help me!
December 9, 2015 by jyoti

Geometry
We have a triangular prism that has the following characteristics. It has a volume of 360 cubic inches. The base of the triangle is twice the height of the triangle. The difference between the height of the prism and the height of the triangle is 4 inches. The height of the ...
May 20, 2010 by Brett

Math - Geometry
Two right triangles are touching at the tips. The left triangle has the 90 degree angle to the bottom left, and 33 degrees on the bottom right. Based on this info, the other angle is 57 degrees. The right triangle has the right angle given, but it is on the top right, and the ...
December 1, 2007 by Nikki

Math (triangles)
Given b=48, A=36 degrees find the remaining parts of the right triangle. B= a)144 degrees b)154 degrees c)54 degrees d)64 degrees We know that one angle equals 36 and since it is a right triangle another must equal 90. The sum of the angles of a triangle is 180 meaning that we...
March 9, 2007 by melinda

TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS
imageshack(.)(us)/photo/my-images/834/j6wv.jpg/ imageshack(.)(us)/photo/my-images/17/6n4x.jpg/ please PLEASE IM BEGGING YOU MY TEACHER WILL BE GIVING ME 79 IF I DIDNT GET THIS .. OR ELSE LOWER THAN THAT. PLEASE TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS - BARBIE LEE, ...
November 20, 2013 by barbie lee

math
lines are ____if they never intersect parallel unit price rate isosceles decimal
April 11, 2010 by Anonymous

Math
What the base b1 of an Isosceles trapezoid if b2=57ft,h=17ft6inches and both legs are 23ft? or the formula for the solution?thank you.
November 18, 2011 by Jason

math (need help badly)
the vertices of triangle DEF are D(5,12)and E(2,7) and F(8,4) Triangle DEF undergoes an enlargement with the centre ,O, and scale factors k.Its image is D`E`F` where D(5,12)arrow D`(7.5,18) a)How do i detremine the value of k
May 23, 2008 by rita

math
if you have the triangle ABC with the points A(47,100) B(-1273,203) and C(971,-732) how would you find the center and the radius of the incircle of triangle ABC?
April 13, 2009 by kim

Geometry
The hypotenuse if a right triangle measures 9 inches and one of the acute angles measures 36 degress. What is the area if the triangle? Round to the nearest square inch.
February 14, 2011 by Marco

MATHS,7TH CLASS
A RIGHT ANGLED TRIANGLE ABC IS GIVEN,WHERE AB IS 5CM,AC IS 12CM,BC IS 13CM,AD IS AN ALTITUDE FROM A TO BC,FIND THE AREA OF THE TRIANGLE AND FIND AD ALSO.
February 19, 2011 by ANNANYA

math
Given the triangle shown, describe the function values in term of hte triangle's two legs /| /a| y / | /o__| x Find: sec a Find: csc o
August 5, 2011 by Joe

math
solve each triangle using either the Law of Sines or the Law of Cosines. If no triangle exists, write no solution. Round your answers to the nearest tenth. A = 23, B = 55, b = 9 A = 18, a = 25, b = 18
December 9, 2011 by Rick

physics
Two point charges are placed at two of the corners of a triangle (Take q1 = -10.2 C, and q2 = 16.3 C.) Find the magnitude and the direction of the electric field at the third corner of the triangle.
January 29, 2015 by Sam

geometry
Draw an equilateral triangle ABC with side length 4cm to scale and then draw dotted lines to show all axes of symmetry of this triangle
April 14, 2015 by Nelly

geometry
In triangle ABC, X and Y are the midpoints of BC and AC, respectively. The perpendicular bisectors of BC and AC intersect at a point O inside the triangle. If angle C = 47 degrees, then find the measure of angle XOY?
June 5, 2015 by Julie

Math
The base of a triangle is 3m longer than the height. Find the base if the area of this triangle is 77m^2.
March 1, 2010 by Chad

geometry
if the perimeter of triangle ABC is 28 and X,Y,Z are the midpoints of AB, BC, and AC respectively, find the perimeter of triangle XYZ
March 4, 2010 by Anonymous

maths
c) An equilateral triangle of side 3 cm each is given, How many triangles can be made from this equilateral triangle of 1cm?
March 19, 2010 by sandhya

math
a right 90 degrees triangle/ label L,J and K. JK is 7 and angle L is 31.6.solve the given right triangle
December 8, 2010 by bell

Geometry
In equilateral triangle ABC, AB=3x and BC=2x+12. Find the numerical value of the perimeter of triangle ABC.
December 29, 2010 by Lizii

geometry
Corresponding sides of 2 triangles are 6 & 15; if the perimeter of the smaller triangle is 22, what is the perimeter of the larger triangle?
January 24, 2011 by B.J.

math
The length of the sides of a triangle are 6,14,and 10.If the shortest side of a similar triangle has length,then its perimeter is?
January 28, 2011 by lindsey

geometry
the sides of a triangle is 9,12,15cm..Find the sides of a similar triangle if the longest side is 20 cm
May 17, 2011 by mike

geometry
in the diagram below of triangle abc, de is a midsegment of triangle abc, de=7, ab=10, and bc=13.find the perimeter
October 13, 2011 by joe

math
an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle
December 13, 2011 by anonymous

geometry
If the base of a triangle is represented by x + 4 and the height is represented by 2x, which expression represents the area of the triangle? 1.(x + 4) + (2x) 2.(x + 4)(2x) 3. 4.(x + 4)(2x)
February 13, 2012 by Anonymous

maths
A triangle has side lengths in the ratio 3:4:5. I the perimeter of the triangle is 84 cm, what is the length of the shortest side?
April 19, 2012 by Kylie

math
A triangle has angles measuring 35 degrees and 53 degrees.What is the measure of the third angle of the triangle.
March 20, 2013 by Angel

Area of Triangle
Find the missing dimension of a triangle: height: 15 ft area: 285 ft squared
April 9, 2013 by Wyatt

maths
ABC is a triangle BD & CE are altitudes drawn from the vertex B & C. Prove that ABC is an isoceles triangle
June 19, 2013 by karan

Math
I have a triangle with sides measuring x^3 + 1, x^3 - 1, and x - 1. I'm asked to find its perimeter. Is the triangle's perimeter 2x^3 + x - 1?
February 4, 2014 by Anonymous

maths
QR is parallel to ST and PQ:QR = 2:1. Given the area of triangle PST is 18cm2, the area of triangle PQR in sq cm is?
July 8, 2014 by Stefan

math
In the following triangle, AB ⊥ CD and AC ⊥ BC CD is the bisector of triangle ABC If AD = 16m, and CD = 8m, find BD
January 12, 2015 by jim

algebra
Triangle ABC is reflected over the x-axis. Triangle ABC has points A (10, 2), B (9, 5), and C (6, 4). What is the B' coordinate?
December 1, 2015 by jnjlk

Geometry
In triangle ABC, AD bisects angle A, BD=4 and CD=5. The perimeter of triangle ABC is 29. Find the lengths of AB and AC.
January 5, 2016 by Anonymous

Physics
three identical 2*`0^-5C point charges are placed a the corners of an equilateral triangle pf sodes 1m. The triangle has one apex C pointing up the page and 2 base angles A and B. Deduce the magnitude and direction of the force acting at A thanks!
February 25, 2009 by Anonymous

trig
Two sides of triangle CDE are 9 and 4, as shown. Write an equation in standard form for the line CD. Leave values as radicals. There is a picture of a triangle that passes through point (4,0) The answer is 65^1/2x + 4y = 4(65^1/2) But, I don't understand how to do this problem.
January 28, 2010 by Dale

Math
Use the given information to solve the triangle. If two solutions exists, find both. A=110 degrees a=125 b=100 a is greater than b so I think that there is only one triangle. I am not sure where to go from here.
April 5, 2010 by Abbey

Math
Use the given information to solve the triangle. If two solutions exists, find both. A=110 degrees a=125 b=100 a is greater than b so I think that there is only one triangle. I am not sure where to go from here.
April 6, 2010 by Abbey

Math
Use the given information to solve the triangle. If two solutions exists, find both. A=110 degrees a=125 b=100 a is greater than b so I think that there is only one triangle. I am not sure where to go from here.
April 6, 2010 by Abbey

Math
The sides of a triangle measure 2, 3 and 4. If the smallest side of a similar triangle measures 8, then the measure of the largest side is? Since eight is four times as large as two, the new triangle largest side will be four times four.
April 11, 2007 by Pam

math . . .
To measure the height of an inaccessible cliff on the opposite side of a river, a surveyor makes the measurements shown in the figure ( one angle is 33.1 & the other i 69.4) . If distance d = 202 meters and b = 50.0, find the height of the cliff. the diagram is a triangle ...
March 26, 2010 by Thank You For The Help

(:
help with Quadratic Equations and Functions: 5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is r^2. 8)The triangle has an area of ...
May 20, 2012 by neveah gomez

physics
a point charge q=5.0 micro coulombs is placed at each corner of an equilateral triangle with sides .26 m in length. a. what is the magnitude of the electric field at the midpoint of any of the three sides of the triangle?
September 10, 2007 by natash

Precalc
The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. Please help!
May 26, 2008 by Megan

Math
The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. PLEASE HELP!
May 26, 2008 by Megan

math
if you have the triangle ABC with the points A(47,100) B(-1273,203) and C(971,-732) how would you find the center point and the radius of the incircle of triangle ABC?
April 15, 2009 by kim

math
my daughter is working on calculating how many triangles point up in equilateral triangle. This is her bonus question: solve this problem for an equilateral triangle with sides measuring n units each. I'm lost, help.
November 17, 2010 by adrianna

trigonometry
In the triangle ABC, the sides AB and BC have lengths 7cm and 8cm respectively, and angle B is obtuse. the area of the triangle is 14 root 3 cm^2. Find a.The size of angle B b. The length of AC
May 3, 2012 by lindsay

Rae
The sides and classifications of a triangle are given below. The length of the longest side is the integer given. What value(s) of x make the triangle? x,x, 8; right Please provide an explanation as well. Thank you.
December 5, 2012 by Geometry

Algebra 1
So as I was doing me hw, I ran into this question, and I cant figure it out... Anyone wanna try? 7. The ratio of the perimeters of two triangles is 2:5. The perimeter of the larger triangle is 20 cm. What is the perimeter of the smaller triangle?
January 11, 2013 by Miranda

Pre Alegbra
In the given right triangle, find the missing length. The triangle has 24m on the right and on the left is c and at the bottom is 10m. a. 28m b. 26m c. 25m d. 27m
January 20, 2013 by Shaunta Davis

Math
An equilateral triangle ABC has AB=20√3. P is a point placed in triangle ABC and D,E and F are the foot of the perpendiculars from P to AB, BC and AC, respectively. If PD=9 and PE=10, what is the value of the length of PF? Please work the complete solution.
April 22, 2013 by Watson

Math
An equilateral triangle ABC has AB=20√3. P is a point placed in triangle ABC and D,E and F are the foot of the perpendiculars from P to AB, BC and AC, respectively. If PD=9 and PE=10, what is the value of the length of PF? Please work the complete solution.
April 23, 2013 by Watson

MATH MS.SUE HELP PLEASE!
Could somebody help me I don't understand any of this. Could someone show me or tell me how to work the problems? 1. Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15 D.225 2.The length of a hypotenuse of a right triangle is 13cm...
October 18, 2013 by bob

trigonometry
draw a triangle that maps their route. label the lengths and angles. is hjb a right triangle? no. draw a height, h, from H to point X on bj. what kind of triangles are HXJ and HXB?
November 27, 2015 by bonnie

math
lmagine an equilateral triangle and a square. The triangle has sides of 10 m and the square has sides of 15 m. One ant walks completely round the triangle twice and a beetle which walks two and a half times as fast starts walking at the same time around the square. How many ...
January 12, 2014 by BRYAN

Physics - KE/inertia
The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of three particles ...
March 27, 2007 by COFFEE

Precalculus
In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
February 24, 2014 by John

Math
Natalia constructed a right triangle with two side lengths measuring 3 and 5 units. She constructed a second right triangle similar to the first one, with the two corresponding sides measuring 5.1 and x units in length, respectively. What is the missing length, x, of the ...
December 15, 2014 by Raylin

physics/alegbra
Find the tension in cable A A if w 1 w_1 = 54.0N N and w 2 w_2 = 120N in a downward triangle 60degress on (both sides of angel and at the end of the triangle is w1 a and then w2) how would I solve this equation I don't have a glue where to start. Your help is appreciated.
October 6, 2013 by deb

Geometry
Draw a counter example that shows that the statement, "if a segment is parallel to one side of a triangle and intersects two other sides then it must be the midsegment of that triangle" is false. Please explain how i can prove this wrong! Thanks!
November 30, 2015 by Misaki

Math
1) Which of the following ingegers can not represent the lengths of the sides of a triangle? (9,10,11) (4.7,9) (4,8,12) & (6,6,11) Try drawing the 4,8,12 triangle. Have fun. any two sides must be longer than the third. Example with set 1. 9+10>11 10+11>9 11+9>10
February 23, 2007 by Peggy

math
you start with an equilateral triangle and then trisect each of the sides with a new equilateral triangle on the middle third of each trisection, repeat the process indefinitely how would you prove that the perimeter is infinite?
February 8, 2009 by alex

geometry
A piece of property is in the form of a right triangle with sides which are 300 meters and 1200 meters in length. What is the area of this triangle in hectares, correct to the nearest whole hectare?
November 8, 2009 by kimama

7th grade math Pygorean Theroem Ms.Sue please
Explain if a triangle with the given lengths is a right triangle. 1. 18, 24, 30 2. 7, 24, 25 3. 13, 14, 15 I really do not know how to solve these problems! I have no idea how!!!! Please help!
October 17, 2012 by Delilah

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