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April 1, 2015

Search: isosceles triangle

Number of results: 5,466

Math
I'm in 5th grade and here's my question: I have to write which fraction represents the ratio of corresponding sides? There are 2 triangles. One triangle has the measurements 3in., 9in. and 6in. The other triangle is 18in., 54in. and 36in. Thank you.
March 5, 2012 by Isabelle

geometry PLEASE
imageshack(.)(us)/photo/my-images/42/2vja.jpg/ Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. ...
November 10, 2013 by BARBIE LEE

algebra2
you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on the bottom and one on the top, to get the next...
October 12, 2011 by jaydene

GEOMETRY
Here are the figures. file:///C:/Users/ALIZAJOY/Pictures/Untitled.png Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral ...
November 6, 2013 by Barbie Lee

Chemistry Help!!
Determine triangle H when 10g of HN3 are reacted in teh following reaction: 4HN3 + 2NO2 arrow pointing > 2H202 + 7N2 (note: triangle Hf for HN3 = +267.1 kJ Equation? Answer? Thanks
May 20, 2010 by Anonymous

Precalc
Okay for this question I know I am supposed to use the law of sines. But how can i tell what side is what? In right triangle ABC, a = 120 and c = 140, and C is the right angle. Solve the triangle. Round to the nearest tenth, if necessary.
August 5, 2011 by anna

Algebra
The flower garden has the shape of a right triangle. 5ft of a perennial border forms the hypotenuse of the triangle, and one leg is 1ft longer than the other leg.Find the lengths of the legs.
November 9, 2011 by Kelly

maths-urgently needed
In right angled triangle ABC angle B=90 degree and AB= root 34 unit. The coordinates of point B and Care (4,2)and (-1,y) respectively. If area of triangle ABC = 17 sq.units, then find value of y.
February 12, 2013 by Anonymous

Geometry.
prove that the distance between any two points inside triangle abc is not greater than half the perimeter of triangle abc my teacher said to try doing this proof by contradiction. can someone please help??
December 19, 2013 by Sammy

math12A TRIG pleas help
a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.
February 20, 2014 by Anonymous

Math HELP!
Sylvia made a poster shaped like the triangle shown below. The hypotenuse is 26in. one like is is 24 in. and the bottom leg is blank. What is the length of the the third side of the triangle? A. 10 in. B. 12 in. C. 14 in. D. 16 in. Is the answer D? Thank you
November 5, 2014 by Callie

Geometry
Two triangles are similar. The ratio of their areas is 1:4. If the height of the smaller triangle is 3 cm, how long is the corresponding height of the larger triangle, in centimeters? does this mean that i just multiply the numbers of the sides by four?
April 1, 2015 by G

Math
In parallelogram PQRS, diagonals PR and QS intrsect at M. Which is always true? (1) PR is perpendicular to QS (2) PM is congruent to RM (3) PQ is congruent to QR (4) triangle PMS is congruent to triangle PMQ
March 7, 2010 by Sarah

MATHS-traingles
one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.
March 2, 2013 by anchal

11th grade math
in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
April 7, 2013 by Alex

circle geometry triangles
how do u construct a circle that is circumscribed of a triangle? how do u constuct a circle that is inscribed in a triangle? i am a bit confused and I have finals next week!
December 11, 2010 by Skylar

math
each side of equilateral triangle is 5 cm shorter than the side of square. the sum of the perimeters of the two figures is 251 cm. how long is each side of the triangle? solution pls.
January 13, 2015 by Seohyun

geometry
given: segment AB is paralell to segment DC; segment AB is congruent to segment to DC prove: triangle ABC is congruent to triangle CDA statements: 1. segment AB is congruent to segment DC 2.segment AC is congruent to segment AC 3.segment AB is paralell to segment DC 4.angle ...
November 5, 2007 by hello

algabra 2
One side of a triangle is 4 cm longer than the shortest side and 2 cm shorter than the longest side. The perimeter is 38 cm. Find the dimensions of the triangle.
October 3, 2010 by Lily

geometry
The area of a triangular garden can be no more than 120 feet square feet. The base of the triangle is 16 feet. What is the height of the triangle?
August 31, 2011 by Samantha

math
The ratio of the corresponding sides of two similar triangles is 3:2. The sides of the larger triangle are 15 cm, 24 cm, and 27 cm. What are the lengths of the sides of the smaller triangle?
April 11, 2011 by Kylie

Math
in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
April 7, 2013 by Alex

Algebra 1
each side of an equilateral triangle is 4 cm shorter than twice the length of each side of a square. their perimeter are the same. how long is each side of the triangle?
August 30, 2014 by Anonimous

math
The area of a triangle is 600 square feet. Find the altitude, in feet, of the triangle if the length of the corresponding base is 30 feet.
March 26, 2015 by Sean

geometry
The height of triangle ACE is 12 and base AE=20. A rectangle is inscribed in triangle ACE as shown in the diagram a) express the rectangle's area as a function of x and y b)Use the fact that triangle ACE is similar to BCD to write y as a function of x. c)express the rectangle'...
August 30, 2011 by jay

Trig
The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length of segment QR. (d) Find the sizes of the...
April 17, 2010 by Sarah

algebra
The shorter side of a triangle is 5 inches less than the medium size side. The larger side is 12 inches more than the medium size side. If the perimeter of the triangle is 40 inches, find the size of each side of the triangle. Show your work
December 16, 2009 by Agnes

physics (geography bit)
Thanks for the help guys!!! I really appreciate it!!! ok I drew the thing as caerfully as I good h t t p : / / i m g 3 7 . i m a g e s h a c k . u s / i m g 3 7 / 7 8 0 7 / f i r s t d w s . j p g ok I redrew it chekc it Ok I followed the directions and made a line through the...
August 10, 2009 by physics (geography bit)

physics (geometry bit)
Thanks for the help guys!!! I really appreciate it!!! ok I drew the thing as caerfully as I good h t t p : / / i m g 3 7 . i m a g e s h a c k . u s / i m g 3 7 / 7 8 0 7 / f i r s t d w s . j p g ok I redrew it chekc it Ok I followed the directions and made a line through the...
August 11, 2009 by physics (geometry bit)

Maths
An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
May 1, 2013 by Maths lover Please Help...

Geometry
The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches? F.10 G.12 H.14 H.15 k.22
December 7, 2012 by Lisa

GEOMETRY CIRCLES
1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
December 10, 2013 by Talon

Geometry
If the perimeter of a triangle is 12, which of the following could be the length of one side of the triangle? a. 8 b. 7 c. 6 d. 5 Would the correct answer be d. 5? And how do you go about answering this type of question? I just guessed; I figured it was the smallest number.. ...
May 10, 2009 by Anonymous

Geometry
I having diffucltly with this triangle.This trangle angles are 3x,4x,x.You have to solve for x.I know you have to use the triangle sum therom.I got 7x=180.That would equal a decimal point which is not right.It has to be whole number.
July 4, 2011 by Anonymous

math
I have a triangle in a coordinate system(not native english) i have these three points. A: 4,-2 B:-2,-1 C: 4,3 How do i get the height of it in relation BC? And, how do i calculate the total area of the triangle? Made this atm: AB: ((-2)-4)/((-1)-2) = 2; y-2=2(x-1) y = 2*x; BC...
November 23, 2011 by Emil

GEOMETRY
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. Draw a diagram. Using similar triangles, we know that h/9 = 17/370 I need more help with this. Thank you
February 13, 2015 by Anonymous

Geometry about the circles
1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
December 9, 2013 by Talon

Geometry about the circles
1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
December 10, 2013 by Talon

geometry
find the value of x. triangle xyz 2x, 4x+1, and 2x+3 perimeter of triangle xyz=88
December 15, 2009 by mac

Geometery
I need to know the laws of triangle inequality. i need help what is triangle in equality?
January 6, 2010 by Francesca

geometry
If the perimeter of the smaller triangle is 4cm, what is the perimeter of the larger triangle?
February 20, 2011 by Anonymous

math
In the triangle ABC ,AB=11 cm ,BC=9cm an CA=10 cm..Find area of the triangle ABC
October 10, 2011 by Anonymous

Geometry
If (triangle)IGH is congruent to (triangle)KLJ, then <H is congruent to ___
March 6, 2014 by Kylee

Mathematics
A 306090 triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?
March 10, 2014 by CrazyCraft Mod Pack + OreSpawn = FUN! XD

Algebra
A triangle has the side lengths of 5 inches 12 inches and 15 inches every demention is multiplyed by 1/5 to form a new triangle how is the ratio of the perimeters related to the ratios corresponding sides?
October 25, 2010 by Joelseph

Math
One side of the triangle is 2cm longer than the second side. The third is 3/5 as long as the first side. If the perimeter of the triangle is 24cm, Find the lengths of the three sides.
September 12, 2011 by Roland Lewis Santos

math
Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?
June 16, 2013 by Anonymous

Maths
An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
April 30, 2013 by MAths lover Please Helppppp

Geometry
Which is the hypotenuse-leg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of another right triangle, ...
June 29, 2010 by Superman

construct a triangle
How can I construct a triangle ABC with vertices A(-4,2), B(4,3), C(1,-3). what are the angles in order from least measure to greatest measure Since you will have to use trigonometry to find the angles, surely you must know how to plot points. take the slope of each of the ...
August 8, 2007 by Sam

geometry
1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it?
January 12, 2012 by lacey

math
ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X. Say that the height= 3x+2 base= 2 Area of a triangle equals 1/2 base times height so... (1/2) of the base is 1 and 1 times the height (3x+2) is 3x...
July 4, 2007 by c

algebra/math
I have this figure of a square QRST with an equilateral triangle PQT sitting on top of the square. The figure looks like a little house... My question is if PQ equals 6 cm, then what is the area of the square? Do I need to find the area of the triangle to figure this out? Do I...
March 11, 2009 by Mike 50

Pre Calc Trig Bit
Determine whether the given information resutls in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results. b = 4 c = 6 beta = 20 Ok... I checked my answers in the back of the book and got the first triangle right Gamma = 30.9 alpha = 129.1 a = 9...
September 20, 2009 by Pre Calc Trig Bit

Math
Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.
June 4, 2010 by Golkhadi nep

Math
I have the problem: A triangle has a base of 3.6 cm and an area of 22.32 cm squared. What is the height of this triangle. The teacher gave us the answer key and I know the answer is 12.4 but I don't know how they came to that answer. I can't figure out how you are supposed to ...
February 1, 2012 by Brandi

Calculus - maximum problem
An isosceles trapezoid is inscribed under the graph oof y =cos x. what are the dimensions which will give the greatest area?
October 26, 2009 by calculus

geometry
If the bases of an isosceles trapezoid have lengths of 22 and 29, what is the length of the median? If necessary, round your answer to two decimal places
April 12, 2010 by jboy

geometry
If the bases of an isosceles trapezoid have lengths of 15 and 32, what is the length of the median? If necessary, round your answer to two decimal places
April 27, 2010 by MARY

geometry
If the bases of an isosceles trapezoid have lengths of 16 and 28, what is the length of the median? If necessary, round your answer to two decimal places.
December 8, 2010 by Anonymous

geometry
If the bases of an isosceles trapezoid have lengths of 15 and 32, what is the length of the median? If necessary, round your answer to two decimal places.
July 11, 2011 by Anonymous

MATH
f the bases of an isosceles trapezoid have lengths of 19 and 38, what is the length of the median? If necessary, round your answer to two decimal places.
July 11, 2011 by DAVID CARSON

mathematics
An equilateral triangle with side length 33 is divided into 332 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
April 30, 2013 by Sambaran G.

Trigonometry
Surveying A surveyor wishes to find the distance across a swamp. The bearing from A to B (Segment AB is opposite side of triangle) is N 32 W. The surveyor walks 50 meters from A to C, and at the point C the bearing to B is N 68 W. (Segment AC is adjacent side of triangle & ...
February 4, 2013 by AwesomeGuy

Geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35 (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
June 5, 2012 by Amber

math
Determine whether the following argument is correct. If it's not correct, explain what is wrong with ther argument and change the minor premise to make a correct argument. If a triangle is equilateral, then it has three equal sides. Triangle ABC doesn't have three equal sides...
December 11, 2012 by kai

physics (please help elena)
Three planets interact with one another through their mutual gravitational forces only; they are isolated in free space and do not interact with any other bodies. They orbit around an axis going through the center-of-mass of the system and perpendicular to the triangle formed ...
August 12, 2013 by Anonymous

math
Determine whether the following argument is correct. If its not correct, explain what is wrong with the argument and change the minor premise to make a correct argument. If a triangle is equilateral, then it has three equal sides. Triangle ABC doesnt have three equal sides...
March 7, 2010 by bill

geometry
(imageshack)123 (.)us(/)photo 123 (/) my-images 123 (/)42(/) 123 2vja. jpg(/)123 Open that link please , just delete the parentheses and spaces and 123's please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, ...
November 9, 2013 by Barbie lee

MATH
1. Let triangle ABC be a triangle such that angle ACB is 135 degrees. Prove that AB^2 = AC^2 + BC^2 - (Root 2) x AC x BC 2. Simplify: 2/1! - 3/2! + 4/3! - 5/4! + ..... + 2010/2009! - 2011/2010! Where k! is the multiplication of all numbers up to k (e.g. 5! = 5x4x3x2x1=120) 3. ...
August 21, 2010 by Gerald

geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35 (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
December 6, 2011 by Cam

geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35 (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
December 6, 2011 by Cam

geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35 (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
December 16, 2011 by Cameron

Geometry
A triangle has two congruent angles and an exterior angle with measure 100. Find two possible sets of measures for the angles of the triangle.
March 17, 2011 by Timm

geometry
The hypotenuse of a right triangle is 25 cm long. One leg of the same triangle is 7 cm long. What is the length of the other leg? Explain how you found your answer.
June 30, 2011 by Zoey

math
For each right triangle, draw the rectangle made by drawing sides opposite the two shorter sides in the triangle. Find the area of each rectangle
October 19, 2011 by John

geometry
A 30-60-90 triangle is inscribed in a circle. The length of the hypotenuse is 12 inches. If a coin is tossed on the figure, what is the probability that the coin will land in the circle, but outside the triangle?
May 8, 2012 by Piggy

math
Two similar figures have sides in the ratio of 2:3. If a side of the smaller triangle has a length of 7, what is the length of the corresponding side of the other triangle?
May 9, 2012 by heather

geometry
A 30-60-90 triangle is inscribed in a circle. The length of the hypotenuse is 12 inches. If a coin is tossed on the figure, what is the probability that the coin will land in the circle, but outside the triangle?
May 10, 2012 by Piggy

math
The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.
December 5, 2012 by Haley

math
The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.
December 5, 2012 by Haley

Government senior college ikoyi
An equilateral triangle of side 20cm is inscribed in a circle.calculate the distances of a side of the triangle from the centre of the circle.
April 5, 2013 by Monday Godwin

math
A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain
January 5, 2014 by Thomas

Algebra 2
Using the information given about a triangle, which law must you use to solve the triangle? Law of Sines, Law of Cosines, or Neither. ASA SSS SAS AAA SSA AAS
February 13, 2012 by Katy

answer fast plsss
the measures of the2nd angle of a triangle is 20degree more than the complements of the first triangle and the 3rd angle is 4 degree less than half the supplement of the 1st.find the measure of each angle
October 11, 2013 by mier

answer fast plsss
the measures of the2nd angle of a triangle is 20degree more than the complements of the first triangle and the 3rd angle is 4 degree less than half the supplement of the 1st.find the measure of each angle
October 11, 2013 by mier

geometry
please help find answer. very urgent. triangle PQR is a 30-60-90 triangle with right angle Q and segment PQ as the longest. Find the possible coordinates of R if (2,6) and Q (2,-6). please help
November 8, 2008 by chippy

geometry
Triangle PEA has a 20-degree angle at P and a 120-degree angle at E, and the length of side EA is 6 inches. Find the lengths of the other two sides of this triangle.
April 12, 2010 by Beatrice

Geometry
I need to bisect two angles of a triangle, measure the triangle I didn't bisect, and then construct a point of intersection of the two angle bisectors. No idea what any of that means. thanks
August 25, 2010 by Lorenzo

algebra
A set of 2 similar triangles was drawn in a design. One of the triangles was of the other. If the measures of the smaller triangle were 5, 7, and 12 cm, the measures of the larger triangle = 10,14 and 20 cm. true or false
March 24, 2011 by katie

Orthocenter Question
Triangle ABC has vertices A(0,6), B(4,6) and C(1,3) Find the orthocenter of triangle ABC. Please show your work so that I can understand how to do this type of problem. Thank You I really appreciate your help ^_^
January 3, 2012 by Hilary

honors algebra
the area of a triangle is 105 square feet. the height is two more than four times the base. find the base and height of the triangle
March 6, 2013 by Madison

math
Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a shaded area that has a 90 degree triangle in it and a 3 next to one soide of the triangle
May 4, 2013 by becca

math
The base of a triangle is 11. The other two sides are integers and one of the sides is twice as long as the other. What is the shortest possible length of a side of the triangle?
August 7, 2014 by john

Geometry-PSSA Practice
Which of the following quadrilaterals must have diagonals that bisect each other? Rectangle Parallelogram Rhombus Isosceles Trapezoid
March 13, 2008 by Christina

Right triangle
Determine whether this is a right triangle vertices: G(1, -1) H(5, 0) and J(3, 8) Should I use distance formula to find the sides and use Pythagorean theorem to prove it? Or is there another method? Thanks.
February 15, 2008 by Jen

Geometry(Very Urgent!!!)
Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x and y. Show all work to receive credit.
November 5, 2008 by Abbey

Quadratic Equations
The height of a triangle is 1 in. more than twice the base. Find the base and the height if the area of the triangle is 52-1/2 sq in. (Please provide steps/explanation to solve this problem.)
March 29, 2009 by purpletree

geometry
Which geometric figure could not be drawn using both perpendicular line segements and parallel line segements? A.a pentagon B. a rectangle C. a trapezoid D. a triangle IS the answer(D) a triangle
February 13, 2010 by Marie

Geometry
A regular hexagon is made from equilateral triangle by cutting along the dotted lines and removing the three smaller triangles. if triangle has a perimeter of 18, what is the perimeter of hexagon?
June 10, 2010 by DJ

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