Tuesday
May 3, 2016

Search: isosceles triangle

Number of results: 6,276

geometry
If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?
February 10, 2011 by Linda

geometry
Find the area of triangle ABC with A = ((-5), 1), B = ((-8), 1), and C = (9, (-8)). Graph the triangle on your own graph paper. Do not include units.
February 24, 2011 by callie

geometry
An Equilateral triangle (ABC) is inscribed inside a circle. The side lengths of the triangle are 8 cm. What is the radius of the circle?
March 29, 2011 by Katy

Geometry
The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
April 27, 2011 by Tyler

geometry
In triangle ABC, A (o,o) , <BAC = 30 degree , AC =2 and midpoint of segment AB is (4,0) and if B is on the x axis, find the centroid of triangle ABC
June 20, 2011 by Lakshmi

geometry
Which composition would produce an image triangle whose area is not equal to the area of the original triangle?
December 4, 2011 by jen

geometry
the sides of a triangle have lengths 4x+1, 2x+1 and 6x-1. if the lengths of the longest side is 6x-1, what values of x make the triangle obtuse?
January 19, 2012 by Anonymous

Algebra
the altitude of a triangle is 3m less than half its base. If the area of the triangle is 300 m^2 find the measure of the base.
February 11, 2012 by Sarah

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

geometry
The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
May 13, 2012 by adeny

math
The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle
July 5, 2012 by luis

math
The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle
July 5, 2012 by luis

arithmetic
The measure of two angles of a triangle are 35* and 45*. What is the measure of the third angle of the triangle? A. 95* B. 100* C. 105 D. 110*
March 19, 2013 by Peltier

GEOMETRY TANGENTS
TRIANGLE ACE IS A CIRCUMSCRIBED TRIANGLE. POINTS B,D AND F ARE POINTS OF TANGENCY . IF AC= 16 AND AE= 9 CM AND CE = 15 CM FIND AD, FE, AND CD. Thank you very mych
December 17, 2013 by Keeley

maths
a triangle has sides 8cm and 5cm and an angle of 90 degrees between them. Calculate the smallest angle of the triangle.
January 8, 2014 by shegster

Pre calculus
For the most part, will a law of cosines always be one triangle? As in one triangle to solve?
March 26, 2014 by Luis

TRIANGLE
length of AB,BC of scalene triangle ABC are 12,8 rerspectively.the size of angle is 59degree.find the length of side AC
September 25, 2014 by PUNAM

Maths
PQRS is parallelogram and K is the midpoint of the side PQ Prove that area of (triangle PKS )= 12 area of (triangle SKR )
December 27, 2015 by Anonymous

Math
The side of a triangle have lengths of x, x+4, and 20. Specify those values of x which the triangle is acute with longest side 20.
February 9, 2016 by Adeline

Math
The area of parallelogram with base 2.5 cm height 3 cm equals to triangle its side length 5 cm Find the height of triangle.
April 5, 2016 by Mido

Math
You have a 4inch by 6inch notecard and you intend to make a triangle out of the notecard by using one long side (call it AB) as the base of your triangle and by then placing the third vertex (point E) somewhere on the opposite side (call it CD). Where should you place point E ...
September 15, 2011 by Tyler

Math
The perimeter of triangle PQR is 78, PQ=18, triangle PQR ~ triangle STU, AND ST=6. What is the perimeter of triangle STU?
March 4, 2011 by Anonymous

Math
Can someone show me how to solve these questions. A plane is is flying 240 mph heading N60E. The wind is blowing S30E at 30 mph. 6. What is ground speed of the plane? The ground speed of the plane is 266.40. 7. What is the smallest angle in the triangle? 8. What is ...
March 16, 2014 by Crewniverse

Algebra
A roof truss is in the shape of a triangle with height of x feet and a base of 2x + 1 feet. Write a polynomial A (x) that represents the area of the triangle. Find A (5).
July 14, 2008 by Don

calculus-optimazation
The sum of the perimeters of an equliateral triangle and square is 10. Find the dimensions of the triangle and square that produce a minimum total area.
February 25, 2009 by meghan

Alge2/trig
Should the triangle be solved beginning with Laws of Sines or Laws of Cosines. Then solve the triangle and round to the nearest tenth. a=16, b=13, c=10
March 14, 2009 by Sha

Chemistry
4Al + 3O2->2Al2O3(triangle)H= -1669kj/mol 2Fe + O2 ->2FeO (triangle)H= -822 kj/mol Determine enthalpy change?
June 6, 2009 by Edna

Math
In right triangle ABC, altitude CD is drawn to hypotenuse AB. If AD equals 4 and AC exceeds DB by 1, find DB. It is from a worksheet about proportions in a right triangle.
February 21, 2010 by Emily

pre algebra
the measure of the angles of triangle RST are the ratio 2:3:5. find the measure of each angle, and classify the triangle as acute, right or straight
June 20, 2010 by lavena

college algebra
Perimeter of a triangle. The perimeter of a triangle is 195 mm. If the lengths of the sides are consecutive odd integers, find the length of each side.
August 13, 2010 by Nonnie

algebra 1 b
The sides of a triangle have measures of x, x, and y, and the perimeter of the triangle is 46. The measure y is 4 centimeters longer than the measure x. Write the solution for this as an ordered pair.
October 26, 2010 by Daniel

math
An equilateral triangle has a perimeter of 33 inches. What would the perimeter of a square whose sides each measure the same length as the side of the triangle?
December 5, 2011 by chanelle

Geometry
The perimeter of triangle ABC is 29 meters. Line segment AD bisects angle A. Find AB and AC. CD=5cm, DB=4 cm.(triangle angle bisector theorem)
December 28, 2011 by Lily

Calculus
A right triangle with hypotenuse y and equal legs of size x has a perimeter of 36m. Express the area of the triangle solely in terms of the hypotenuse y.
February 26, 2012 by Nurcan

Geometry
The length of the longer leg of a 30-60-90 triangle is 24 feet. How do I find the length of the hypotenuse of the triangle? The answer must be a radical in simplest form.
May 23, 2012 by Bonnie

math
The triangle inscribed within square ABCD has, as its base, side AD, and has a height of 6 cm. If the area of the triangle is 21 cm2, what is the area of the shaded region?
September 13, 2013 by Anonymous

math
Right triangle DEF has sides that measure x, x, and x squared for the some value of x. What is the area of triangle DEF to the nearest 0.1 square unit?
April 20, 2014 by Melissa

Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, -4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45.
October 17, 2014 by TeeKay

Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, -4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45.
October 17, 2014 by Molly

Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, -4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45.
October 17, 2014 by Molly

Math
An equilateral triangle is inscribed in a circle. If the radius of the circle is 10 cm, calculate the length of a side of the triangle. Answer to nearest whole centimetre
November 16, 2014 by Anonymous

solid
ABC is a right triangle with C as the right triangle and sides AC=6 cm and BC= 8 cm. line segment CD is drawn perpendicular to both AC and BC at C. if CD= 12 cm, find the distance from D to midpointS of AB
February 4, 2015 by edong

Geometry B
Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help
February 12, 2015 by Anonymous

Maths
The ratio of the corresponding sides of two similar triangles are 2:5.Calculate the area of the larger triangle if the area of the smaller triangle is 28 square.
January 4, 2016 by Anita

Math- HELP
There is a triangle inside of a circle. I have to find area of the shaded region which is the circle. So i would have to substract the area of the triangle from the area of the circle. the radius of the circle is 3 inches. I found the area of the circle..it is 28.27 in.^2 I am...
December 2, 2010 by MK

Math
how do i find the height of a triangle the base is 18 inches, the angled side is 82 inches and it is a right triangle
May 19, 2008 by LT

Math
If you have 10 pennies in a triangle, move 3 pennies to make the triangle point in the opposite direction.
September 25, 2008 by Jenny

math
the circumcenter of a triangle is equidistant from the three blank of the triangle? i have to find the blank work
May 20, 2009 by help

algebra 2
solve the triangle triangle BCD <D=90 degrees <B=21 degrees b=4 show all work and steps!
May 5, 2010 by Tristan

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

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

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

math
a triangle has sides 8cm and 5cm and an angle of 90 between them. calculate the smallest angle of the triangle
April 24, 2016 by Anonymous

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

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

Physics
An equilateral triangle initially has side length equal to 17 cm. Each vertex begins moving in a straight line towards the midpoint of the opposite side at a constant rate of 2.3 cm/s, continuously forming progressively smaller equilateral triangles until it disappears. At ...
March 23, 2016 by Anonymous

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
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 (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 (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

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