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January 19, 2017

Search: Find the perimeter of an isosceles triangle with a base of 45 and a side of 58

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Pleass Help With MATH
Read this story to answer the following questions: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base of 24 inches and a ...
March 6, 2013 by Mark

math
the altitude of a triagnle is 2cm shorter then its base. the area is 15cm squared. determine the base of the triangle.
October 12, 2009 by byran

math
The perimeter of rectangle ABCD is 256 inches. It's length is 3 times as long as its width. Find the area of triangle ABC.
February 14, 2012 by zach

geometry
: the perimeter of triangle abc is 26m bc is two -thirds as long as ab and it is also 2m longer than ac .find the lengths of the three sides
June 10, 2012 by bothina

math
The perimeter of rectangle ABCD is 256 inches. Its length is 3 times as long as its width. Find the area of triangle ABC
January 22, 2014 by chantel

MATH
Given a circle with an inscribed equilateral triangle with each side of the triangle having a measurement of 18cm. What is the probability of selecting a point at random inside the triangle, assuming that the point cannot lie outside the circular region? Leave your answer in ...
January 25, 2009 by Janet

maths
if bisector of any angle of triangle bisects he opposite side then it is isoceles triangle
November 2, 2010 by abhiskar

math
What equilateral triangle would have the same area as a triangle with side 6, 8 and 10?
April 10, 2012 by Baba Don Cooler

Algebra Grade 7
Triangle MON has side lengths of 13, 14, and 12. IS it scalene or scalar triangle?
October 26, 2012 by rawr... im a dinosaur.... rawr

algerbra
A triangle has sides of and 3. Which could not be the length of the third side if it is a right triangle? i need help anyone?
November 21, 2014 by steven

algebra
triangle abc is similar to triangle def and has a ratio 8/10 = 16/20 = 4x+6/4x+11 side ac= ?
January 17, 2016 by mm

Math
the base of a triangle is the same as the height. what least whole number measurement for the triangle so that the area would be greater than144^2
February 14, 2013 by Aurora

Math
Tell whether the triangle with the given side is a right triangle;1.4 m,4.8 m,5m. Explain please.
November 15, 2010 by Sasha

Geometry
An equilateral triangle has a height of 26 inches. What is the length of each side of the triangle to the nearest centimeter?
April 10, 2012 by Cassie

Geometry Part 2
A triangle has side lengths 10,15,and 7.Is the triangle acute,obtuse,or right?Explain.
April 15, 2013 by Karen

maths
A triangle with side lengths in the ratio 3:4:5 is inscribed in a circle of a radius 3.what is the area of the triangle?
May 17, 2013 by ramesh reddy

math
51. The figure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the right-angle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain why this fi...
January 25, 2012 by deana

Geometry Triangle Question!
In triangle ACE, G is the centroid and BE=9. Find BG and GE. (segments BE and AD cross in the middle of the triangle, BE overlaps AD and C is at the top of the triangle, and A is on the left corner and E is on the right) Thank You So Much!!! ^0^
January 3, 2012 by Jenn

Geometry
Right triangle ABC has one leg of length 12 in and a hypotenuse of length 13 inch. A) Determine the length of the other leg B) Determine the perimeter of the triangle. C)Determine the area of the triangle. Must show work as well as answers for each of the above.
February 20, 2014 by Boo

geometry
i have only a measuremment for one side of a triangle need to find the other to to find area how do i do this
April 12, 2010 by bob

math
Can someone please explain this problem to me: I have to use integrals to find volumes with known cross sections but i just don't understand. Thanks! Consider a solid bounded by y=2ln(x) and y=0.9((x-1)^3). If cross sections taken perpendicular to the x-axis are isosceles ...
April 6, 2010 by summer

math
Can someone please explain this problem to me: I have to use integrals to find volumes with known cross sections but i just don't understand. Thanks! Consider a solid bounded by y=2ln(x) and y=0.9((x-1)^3). If cross sections taken perpendicular to the x-axis are isosceles ...
April 6, 2010 by summer

geometry
an isosceles trapesiod has legs that measure 24 units each. If the perimeter of the trapeziod is 150 units, what is the legth of its median?.
April 16, 2011 by natalie

math
Describe what happens to the three points of concurrency that determine the Euler line when the triangle is (a) isosceles, (b) equilateral.
January 24, 2010 by BB

Math
What is the area of an isosceles right triangle wih equal sides that measure 42cm? @Ms. Sue please help!!!
May 15, 2015 by Missy K.

math
show that abc is a right angled isosceles triangle prove that AD>AC and AC>CD also arrange in ascending order
July 20, 2016 by dcs

geometry
I have 2 problem that I don't know if I did it right. 1) right triangle with base=12 altitude=c, hypotenuse=d. 71 degrees is opposite 90 degrees. need to find C and d. I did tan 71=d/12. = 12 x 2.9042 = d = 34.85 Do I do the same process to get c? 2) right triangle with ...
May 18, 2015 by robin

geometry
how do i figure out the length of one side of a triangle if I know one side is 40 meters, and the angle on one side is 90 degrees and the other side is 42 degrees?
January 26, 2012 by brandon

Pre-Algebra
Suppose you consider a rectangular garden of 36 square meters with whole-number side lengths. What’s the dimension of design that has the least perimeter? What’s the dimension with the greatest perimeter?
April 12, 2012 by Taylor

geometry
Draw all rectangles with an area of 51 square cm with whole number base and height. Find the perimeter of each rectangle
September 1, 2011 by Mila

college mathematics
Determine whether each pair of triangles is congruent. b. Triangle 1: angle 53 , side 28 meters, and angle 37 Triangle 2: angle 53 , side 28 meters, and angle 37
April 28, 2016 by Anonymous

Geometry
The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet. What are the 3 lengths?
January 16, 2011 by Ivan

geometry
in a regular polygon, with center O, and a side AB, measure of angle AOB =72 degrees. If AB is 4.6 in. find the perimeter
April 10, 2011 by mark

algebra hrlp
You know the perimeter of a square to be 8 meters. Find the length of one side. How do you set up the formula
October 13, 2016 by jennifer

Math
Tell whether the triangle with the given side is a right triangle;14mm, 19mm, 23mm
November 15, 2010 by Sasha

Geometry
Tell if the measures 9,11, and 7 can be side lengths of a triangle. if so, classify the triangle as acute, right, or obtuse?
July 21, 2011 by Lydia

Advanced Algebra 2
the sides of the triangle are in ratio 2:4:5. If the perimiter of the triangle is 88 meters, determine the legnth of each side.
August 15, 2011 by Spencer

Geometry again
What is the area of a square and 45-45-90 triangle. With a top base of 9yd. and a bottom base of 18yd. and a height of 7yd. ????
March 24, 2010 by Monique N.

college geometry
In a triangle the ratio of the base to its altitude is 2:3. If the area of the trianlge is 108 square units, what is the length of the base?
December 12, 2010 by Kathy

geometry
A triangle has side lengths 24, 32, and 42. Is it a right triangle? Explain
February 26, 2013 by georgetooraw

Algebra
Ok, so then does this look correct? -Find the area of a triangle in which the base measures 8.5 centimeters and the height measures 3 centimeters less than the base.- My answer: Area= 23.375cm squared (if you would like, I could show my work) Thank you so much!
September 15, 2007 by Jamie

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

math
Find the area of the shaded part in the figure. Use 3.14 for ƒàƒnand round your answer to one decimal place. the triangle as a cicle in the middle the right side is 15ft and the bottom side is 15ft what is the answer
October 10, 2008 by derrick

math
In an Isosceles triangle, one angle is 16 degrees more than twice the measure of one of the equal angles. Find the measure od eah angle.
April 10, 2011 by Valery

calc
An isosceles triangle has an area of 24 yd², and the angle between the two equal sides is 166°. Find the length of the two equal sides.
April 21, 2015 by Dan

Algebra
Can someone please check my answers. 1. Solve. –7x + 1 + 8x = x + 1 A) Identity B) No solution C) 1 D) 0 My answer: A) Identity 2.The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find ...
April 21, 2007 by Noah

math
The length of the second side of a triangle is 24 cm shorter than twice the length of the first side. Using f for the first side and s for the second side, translate the sentence into an equation.
August 24, 2014 by patience

math
Geometry. How do you find the area of a triangle with the base of 1 1/8 and a height of 2/3 inches?
February 22, 2011 by Shiela

algebra
find the area of a triangle with the base of 3 2/3 yards and height of 3/7 yrads
September 23, 2012 by Tina

plane geometry
if an obtuse triangle has an area of 28 sq.in. how do you find the base and height?
May 19, 2013 by harmin

Math
I need help please. find the base of a triangle where area=36 and height =9
August 16, 2016 by Hope

geometry
In triangle ABC, CD is both the median and the altitude. If AB=5x+3, AC=2x+8, and BC=3x+5, what is the perimeter of triangle ABC?
October 4, 2010 by Anonymous

geometry
If the sides of a triangle are in the ratio 3:4:5 and the perimeter of the triangle is 72 inches what are the lengths of the sides?
November 30, 2010 by Debbie

geometry
An equilateral triangle has sides that measure 5x+3 units and 7x-5 units. What is the perimeter of the triangle?
November 8, 2011 by Julie

Geometrey
A right triangle has perimeter equal to 80 and hypotenuse equal to 34. What is the area of the triangle?
May 1, 2013 by David Kroell

MATH PRACTICE
Triangle ABC has Coordinates A(-6,0) B(-2,0) C(-2,-7). What is the APPROXIMATE Perimeter of Triangle ABC?
May 21, 2015 by OG KOALA

geometry
not sure if youll understand but ill try and explain the picture is a trapezoid i believe b1 is 7cm, and do not have the height but the numbers on the long side is 8cm and the side of b2 is 4cm this part of the pic looks like a right triangle am not able to find the height
March 31, 2012 by kevin

geometry
how do I find the missing side of a right triangle?
March 9, 2008 by leslie

algebra
In a triangle, find the length of the side not given, B=1,c=~17
October 23, 2010 by John H.

math
Find the length of right side of a triangle if a=2,b=4 so c=?
December 7, 2011 by mandy

help?
find the altitude of an equilateral triangle if a side is 6 mm long.
March 18, 2013 by 21 Guns

Geometry
Find area of a triangle with side lengths 15 15 and 8
April 10, 2016 by Anonymous

calculus
Find the formula for the described function and state its domain. An open rectangular box with a volume of 8 cubic meters has a square base. Express the surface area of the box as a function of S(x) of the length x of a side of the base.
October 27, 2010 by DJ

math
If one side of a triangle is of length x and another side is of length x+6,which of the following could not be the lenght of the third side? a.5 b.7 c.9 d.11 e.13
January 13, 2013 by john

math
the base of a triangle is the same as its height. what are the least whole number measurements for the triangle so that the area would be greater than 144 ft square?
February 10, 2011 by martin

math
the base of a triangle is the same as its height. what are the least whole number measurements for the triangle so that the area would be greater than 144 ft square?
February 10, 2011 by martin

geometry
51. The figure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the right-angle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain why this fi...
January 25, 2012 by deana

Math
Multiple Choice Use the figure to answer questions 1–3. lines 1 Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign6 angle sign3 and angle sign4 angle sign4 and angle sign5 2 If mangle sign1=37°, what is mangle sign4? (1 ...
January 19, 2016 by Math help!

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

geometry
I have right triangles I need to solve. Can you see if I am doing them correctly or screwed up..1) Rt < is in left corner C: Opposite is 60 deg< A, last angle is at top- 30 deg <. line segment of AB is 10. Hypo is f. I got 10 0r 12.5 for answer. 2) Triangle is ABC ...
April 20, 2015 by robin

Geometry
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need to find out the height...
November 30, 2008 by Frost Boost

geometry
Two sides of a triangle measure 2x – 4 and 7x – 2 units, respectively. Which of these is a possible length for the third side of the triangle?
March 16, 2010 by MARY

5th grade
the lengths of two sides of a triangle are 15in.each.the third side measures 10 in.what type of triangle is this
December 2, 2010 by Anonymous

physic
3 charges sit on vertical equilateral triangle the side of each is 30.0 cm. if the triangle are A= +4.0 uC B=+5.0 uC and C=+6.0 uC (clockwise from top) what is the force on each charge?
August 17, 2012 by sara

Math
If I know all 3 angles of a right triangle and the hypotenuse how do I figure out the short side length of the triangle?
April 3, 2015 by Steve

6th Grade Geometry
Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...
March 11, 2015 by MusicLover14

Calculus
The base is an equilateral triangle each side of which has length 10. The cross sections perpendicular to a given altitude of the triangles are squares. How would you go about determining the volume of the solid described? The textbook answer is 500/3(sqrt3) However I got 250 ...
July 22, 2011 by Chris74

Geometry
Find the perimeter and area of each figure. give your answers in the simplest radical form.a 30-60-90- degree triangle with hypotenuse length 28 centimeters.
January 10, 2011 by Esperanza

math
in triangle ABC ,D and E are the midpoint of line AB andAC resp.angle A=angleB=angleC=angleD=60° DE=5cm find the perimeter of triangleABC.
March 18, 2013 by anupama

Math
A triangle has a base of 10 inches and a height of 20 inches. If the area of a triangle is one - half the product of its base and height, what is 20 % of its area?
September 15, 2011 by James

Math Help
1. Parallelogram PARL~ parallelogram WXYZ. Find the value of c. Parallelogram 1 has P n the bottom left corner, A on the left top, R on the right top, L on the right bottom. Parallelogram 2 has W on the bottom left corner, X on the left top, Y on the right top, Z on the bottom...
November 20, 2014 by callie

Ms. Sue Please help!!!
Ahhh... thank you "A square and an equilateral triangle have the same perimeter. Let A be the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the triangle. Find A/B." It's a tough one.
June 10, 2014 by Sheenybeany

geometry
In triangle ABC, if line BC is one inch longer than line AB, line AC is 10 inches shorter than the sum of line BC and line AB , and the perimeter of triangle ABC is 72 inches, find the length of line BC?
November 3, 2010 by meghan

11th grade
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need to find out the height...
November 30, 2008 by Please help! I need this urgent, please.

7th Grade Math
Use familiar figures to to find the area of the figure shown. Show all work. Since I can't provide a picture, here is the description. It looks like a rocket ship. There is a triangle with a width of 4 inches. A rectangle with a base of 3 inches and a width of 10 inches. ...
June 6, 2016 by Music Lover 14

MTH 157
I need help on these two questions. 1. Describe what happens to the three points of concurrency that determine the Euller lines when the triangle is (a) isosceles, (b) equilateral 2. Which of the following triples of numbers can be the sides of a right triangle? Explain why. (...
August 21, 2010 by Rayna

calculus (please help)
find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps
April 22, 2015 by may

Math
Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Do I have to find the magnitude of (2,3) and (-6,4) and square root the answer?
March 22, 2012 by Jake

trigonometry
using the law of sines, solve the rest of the triangle: side C=14 side B=4 angle c=145 degrees i got angle b= 9.4 angle a=25.6 side A=10.4 but i didn't know if it was correct
January 23, 2011 by hw

math
A rectangle and a triangle have equal areas. The length of the rectangle is 12 inches, and its width is 8 inches. If the base of the triangle is 32 inches, what is the length, in inches, of the altitude drawn to the base?
April 1, 2008 by Aaron McQuady

math
A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and ...
March 8, 2013 by allison

prealgebra
A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and ...
July 31, 2014 by Anonymous

Calculus
Find the inverse of each relation: y = (0.5)^(x+2) and y = 3log base 2 (x-3) + 2 For the first one I got y=log base 0.5 (x+2)...but the answer in the back of the textbook says that it is not x+2, but x-2. Can someone tell me why it would end up being x-2 and help me with the ...
May 6, 2007 by Raj

geometry
1. The radius of the circumscribed circle of the triangle ABC is 15 cm. Given that B is a 49-degree angle, find the length of side AC. continuation - The radius of the circumscribed circle of the triangle ABC is r cm. Given that B is a beta-degree angle, find the length of ...
April 12, 2010 by sally K

math
how do you find the missing lenght of a right triangle if you have 20 on the left side and 48 on the bottom and you need to find the missings number
September 13, 2009 by susan

calculus
the base of a triangle is 2 cm shorter than the width of a rectangle. The rectangle's length is 4 times its width and the triangle's height is the same as the rectangle's length. find the area of both figures if the difference of the two areas is 30cm2
September 8, 2010 by Anonymous

Math
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. The length of one leg is 5cm. Find the length of the other leg. A.14 B.144 C.8 D.12*** 3.Which of the ...
November 7, 2015 by Cam

MATH
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. The length of one leg is 5cm. Find the length of the other leg. A.14 B.144 C.8 D.12*** 3.Which of the ...
November 7, 2015 by Cami

Pre-Algebra
Q: A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b. Find the length of the hypotenuse of the triangular lot. C.Find the sine, cosine, and ...
June 22, 2014 by DArko

Math
Tell whether the triangle with the given side is a right triangle;14mm, 19mm, 23mm Explain please.
November 15, 2010 by Sasha

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