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May 3, 2016

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

Number of results: 87,217

Algebra
A 10 foot ladder is to be placed against the side of a building. The base of the ladder must be placed at an angle of 72degree with the level ground for a secure footing. Find to the nearest inch, how far of the ladder should be from the side of the building and how far up the...
February 7, 2012 by Zing

Math - Trig
1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the ladder makes an angle ...
November 27, 2013 by McKenna Louise

perimeter and area
the top of the trusty twisty toaster has an area of 48 inches. if the top is 8 inches wide, how long is the side? what is the perimeter of the top? Length = 6? Perimeter = 28 inches?
January 26, 2016 by a

math
what is the surface area of the triangle prism. b=9 h=12 side=7 side=15 the answer is 413.39
June 16, 2015 by siulanis perez

Math
Need to know the formula for find the perimeter. Need to solve this problem. A square metal box has a perimeter of 8.32". If the sides are .04" thick what is the perimeter of the inside?
September 21, 2009 by Dale

Math
Patricia's teacher asked her to find the perimeter of the school's rectangular parking lot. After school, patricia walks along the short side of the lot and finds it is 50 yards long. She then walks diagonally from one corner of the rectangle to the other and throught the exit...
February 7, 2010 by joe

geometry
you are building a ramp that will be in the shape of a perfect right-angled triangle. The vertical height of th ramp will be 10 feet. the horizontal base of the ramp will be 15 feet. what will be the length of the downward sloping side of the ramp?
July 8, 2010 by melissa

math
the height of a triangle is 4 centimeters longer than its base. If the area of the triangle is 22.5 swuare centimeters, then what is the height of the triangle?
May 9, 2012 by Anonymous

Computers
What is the pseudocode of a square with side X, A = X^ 2; circle with radius X, A = 3.14 * X 2; equilateral triangle with side X, A = Sqrt (3)/4 * X^2
April 30, 2012 by Marcelino

precal help asap
If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B?
May 28, 2014 by l

E& M physics
Three electrons form an equilateral triangle 0.600 nm on each side. A proton is at the center of the triangle. What is the potential energy of this group of charges?
October 2, 2015 by Master Blaster

Calculus
27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for the circle if the total area enclosed is to be a maximum? I can only find the minimum because the parabola is opening upward
November 11, 2013 by H

Geometry
"Find the length of the altitude, x, to the nearest hundredth of a meter." The base of the triangle is 14 feet.
March 9, 2011 by Isiah

math
Find the height of a triangle with a base of 24 ML and an area of 66 square. My answers is2.75 am i correct. Thanks
March 18, 2013 by Americal

Math
Can you find the base and height measurements for a triangle if you know that the area is 22 square units? Explain why or why not.
April 10, 2014 by Khrys

Math
Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3 - (This is my answer.) D. √6 I am not sure on my answer, ...
April 8, 2014 by Brady

MATH
In a right triangle find the length of the side not given. b=2,c=29
September 12, 2009 by Anonymous

Geometry
How to find the unknown side of a triangle using the Pythagorean Theorem
June 22, 2011 by Michael Wade

Geometry
30-60-90 triangle has a hypoteneuse of 10 use trig to find the short side
August 3, 2011 by Christa

geometry
find the altitude of an equilateral triangle with side length twelve
February 23, 2012 by sara

Algebra
use right triangle-find the length of the missing side : b=2.1, c = 2.9
March 16, 2013 by Brieson

geometry
if the sides of a triangle are 8 cm, 10 cm, and 12 cm then find the length of altitude to the smaller side.
June 24, 2013 by jaspreet

math
how do i find the length x of a right triangle,when one side is x+48 and the other is 72.?????????
August 6, 2013 by jaslene

Algebra 1
A right triangle has a base measuring 5 centimeters & a height of 12 centimeters. By what amount will the area of this triangle increase if both the base length & the height are tripled? Answers: a.) 240 square centimeters b.) 270 square centimeters c.) 480 square centimeters ...
April 23, 2012 by Taylor Leigh

math
how do you find the perimeter of a triangle like this but with an 8 on one half of the middle (cut in half) and the bottom being 5m . . . . . .......
April 5, 2010 by Anonymous

Math
The radius of this circle is one unit. Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as side b. And Sides b is twice as long as side a.
December 12, 2015 by David

Math Help
The radius of this circle is one unit. Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as side b. And Sides b is twice as long as side a.
December 12, 2015 by David

Algebra
Area of a triangle. Find the exact area of a triangle with a base of sqrt 30 meters and a height of sqrt of 6 meters. Thank-you
July 15, 2010 by jonie

Math
If two angles of one triangle are congruent to two angles of another triangle, these triangles must be a) scalene b) similar c) congruent d) isosceles Dont all traiangles have 180 degrees? So if two angles were congruent, what about the third? I still don't get it. I would ...
March 4, 2007 by Becky

math
How do you find the perimeter of a polygon? And how is finding the perimeter of a rectangle different fro finding the perimeter of other polygons?
September 24, 2008 by dawn

Trigonometry
In a figure, ABCD is a rectangle in which AD=43.7 cm, DE=100 cm and EDC =27, where E is a point above C making a rught angled triangle DEC above the rectangle. Find angle EAD. I found the other parts of this question but thjs one's difficult. I assumed AB as the rectangle's ...
February 13, 2016 by DS

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

Geometry
What is the volume of a regular pyramid if it has a square base, one side of the base measures 4 cm, and the altitude is 5 cm?
July 31, 2011 by Brianna

Math Help!!!
please check my answers 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...
November 21, 2014 by math help asap

maths
a 4m ladder is leaning against a wall when its base starts to slide away. By the time the base is 2m from the wall, the base is moving at the rate of 1m/sec. find a) the speed at which the top of the ladder is sliding down the wall b) the rate at which the area of the triangle...
July 15, 2012 by Michelle

GEOMETRY
A. A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. B . Find a relationship between the areas of triangle ADC and parallelogram ABCD this is our assignment for tomorrow . . its geeting late please help me finish
October 22, 2013 by Barbie Lee

geometry
In an isosceles triangle ABis congruent to BC. Measure of angle A is x +3y and the measure of angle C is 3x +2y. The measure of angle C is 63 degrees. Find x and y.
November 15, 2010 by Aaron

geometry
perimeter of right triangle equals 1400 and hypotenuse equals 600 how do you find out what legs measure
May 24, 2010 by babs

algebra
Triangles ABC and DEF are similar. Find the perimeter of triangle DEF. Round your answer to the nearest tenth.
March 1, 2013 by sally

math
the vertices of triangle abc are A(-2,3) B(10,3) and C(4,10. prove by coordinate geometry that the median to side AB is also the altitude to side BC?
February 20, 2007 by sean

7th grade math
what is the ratio of a triangle that is 6cm on one side,and 10cm on the other side,and 8cm on the last?
January 21, 2010 by eric

Math
How do I write a polynomial expression to represent the third side of the triangle? I know one side is 2x-3y and the other is x+2y and P=5x+2y? I am lost.
August 31, 2011 by Donna

pre calculus
For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side c to the nearest foot?
November 30, 2012 by Kelsey

pre calculus
For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
November 30, 2012 by Kelsey

pre calculus
For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
November 30, 2012 by Kelsey

pre cal
For a given right triangle, angle B = 46 and side c = 30 feet. What is the length of side a to the nearest foot?
November 30, 2012 by Kelsey

Algebra
Which of the triangles described in the table is a right triangle? side 1 side 2 side3 q 25 20 15 r 26 20 46 s 25 20 1025 t 25 26 650 I think that it is R
October 11, 2013 by Steve

math
For a given right triangle, side A = 490 ft and side b = 960 ft. What is the measure of angle B to the nearest degree?
August 2, 2014 by Lee Ann

math
the side of an equilateral triangle measures 5 cm more than the side of a square. if both their perimeters are the same, what are their sides?
January 13, 2015 by Yuri

math
Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.
March 22, 2012 by david

math
Consider an equilateral triangle with points located at each vertex and at each midpoint of a side. (See picture.) This problem uses the set of numbers {1, 2, 3, 4, 5, 6}. Place one number at each point. Call the sum of the three numbers along any one side (two vertices and ...
October 10, 2014 by al

geometry
TWO COLUMN TRIANGLE PROOF Given: line AB is parallel to line DE, and line AD bisects line BE Prove: triangle ABC is congruent to triangle DEC by using the ASA (angle-side-angle) postulate
November 9, 2008 by tori

maths
All the students in a school are made to stand in rows so as to form an equilateral triangle. The first row consists of one student, the second row 2 students, third row 3 students and so on. Had there been 90 more students, the total number of students could have been ...
February 1, 2010 by rajshekhar

Area and Perimeter Shepes
a rectangle has a perimeter of 32cm. one side measures 5cm. calculate the area of the rectangle.show your working.
November 10, 2015 by Willow

geometry
the perimeter of a rectangle is 72. the base is 3 times the height find the area of the rectangle
October 3, 2013 by w

geometry/calculus
Use Cavalieri's Principle to find the area of the region. In the example we see a "leaning tower" with base 'a' and height 'b'. The left side of the leaning rectangle is given by y = x^2, the right side given by y = (x - a)^2 the answer to this problem is A=ba but can anybody ...
December 13, 2011 by david

math
Triangle ADE is inside rectangle ABCD. Point E is half way between points B and C on the rectangle. Since AB is 8 cm and side AD is 7 cm. 1. what is the area of triangle ADE? 2. what is the ratio of the area of the triangle ABE to the area of triangle ADE? 3. What is the ratio...
April 14, 2013 by natalie

ie math
A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to apply Heron's formula to this question, but I don't know how to solve. Please help. Your help is very much appreciated!
March 27, 2012 by Dara

math geometry ITT
so i know that when you have an isosceles triangle has 2 equal sides, and the 2 angles created by those sides are also equal . if a question gives me the angle at the top ( which is 40 degrees ), how do i find the 2 equal angles at the bottom ?
January 10, 2011 by amanda

area an perimeter
a parallelogramhas an area of 4yd squared the height is 1yd find the base
September 25, 2011 by margie

More algebra--please help!
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them. #2: Let A be (5,9), B be (-3,-5), and C be (1,1). The median of a triangle connects a vertex of a triangle to the midpoint of the opposite side. *Another note: ...
December 17, 2008 by Celina

Math help plz check my answers!
11. Name the triangles that are classified by sides. right, scalene, isosceles scalene, isosceles, equilateral*** acute, right, obtuse obtuse, isosceles, acute
March 10, 2014 by anonymous

college math
Find the area of the triangle whose base is 12 m and height is 15m. The formula be A = 1/2 x 12 x 12 the answer be 90
June 1, 2012 by Lourane

St Joseph high school
Find the height of a triangle whose area is 39000 sq cm and base is 260 cm
November 1, 2015 by Rahima rakhangi

Algebra
In a right triangle find the length of the side not given. b=1, c=sqrt10, a need help
July 3, 2008 by Sam

Pre Calc
In triangle ABC, b=14, c=15, and cos a= 3/5. Find a)side a b) Sin B Help please?
April 13, 2009 by MW

Geometry
In triangle ABC, side a=7, b=6, and c=8. Find the measure of angle B to the nearest degree.
May 8, 2010 by Sue

math
in right triangle find length of side not given b=1,c=square root of 26
September 14, 2010 by ruthann

Geometry
How do you find the distance from the center of an equilateral triangle, with the side length of L, to a point?
January 11, 2011 by Ngoc

maths
find area of the triangle with the length of the side 36cm,48cm, and 60cm.
December 17, 2011 by sunil tadvi

Algebra
triangle-find the length of the missing side? a= 16, b = 63 please walk me through this.
March 16, 2013 by Brieson

math
how do i find the length x of a right triangle,when one side is x+48(hypotenuse) and the other is 72.?????????
August 7, 2013 by jaslene

Math
A right-angled triangled has sides (x+10)cm,(x+2)cm and (x+4). find the value of each side of the triangle.
November 7, 2015 by Odun

algebra 1
write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in simplest form. triangle 3x+1 3-x 2x+4 A: 6x+2 B: 5x-8 C: 4x+8 D: 6x-2
March 28, 2013 by Anonymous

math b
the vertices of triangle ABC are A(-2,3), B(0,-3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.
May 25, 2009 by jojo

pre calculus
For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the length of side b to the nearest foot?
November 30, 2012 by Kelsey

math/calc
The hypotenuse of a right triangle has one end at the origin and one end on the curve y+x^2e^(-3x), with x > or = 0. One of the other two sides is on the x-asis, the other side is parallel to the y-axis. Find the maximum area of such a triangle. At what x-value does it occur?
March 30, 2010 by miley

math/calc
The hypotenuse of a right triangle has one end at the origin and one end on the curve y+x^2e^(-3x), with x > or = 0. One of the other two sides is on the x-asis, the other side is parallel to the y-axis. Find the maximum area of such a triangle. At what x-value does it occur?
March 31, 2010 by miley

Algebra
2. Use the Pythagorean Theorem to solve the following: A. A baseball diamond is a square of 90 feet on each side. How long is a throw from first base to third base? B. The bottom of a 25 foot plank is placed approximately 7 feet from the side of a barn. Approximately how far ...
September 12, 2010 by jesse

Math
A rectangle has a perimeter of 20cm. Two of the side are 2cm longer than the other two sides. How long is each side?
August 28, 2007 by Ally

Evaluation-repost
Reposting because it has gone down to the second page! Evaluate 1. sin(tan inverse sqrt(x^2-2x)) 2. tan (sec inverse 3y) For 1. draw a right triangle and label the opposite leg sqrt(x^2-2x), the adjacent side 1 and the hypotenuse x-1. Do the calculations to see why this is so...
October 23, 2006 by Jen

geometry
the perimeter of a square lot is seven times the length of a side, decreased by 12. fine the length of a side.
January 17, 2011 by renolo alfredo

math
The perimeter of a rectangle with adjacent side lengths of x and y, where x>y, is 8 times as great as the shorter side of the rectangle. What is the ratio of y to x? A. 1:2 B. 1:3 C. 1:4 D. 2:3 E. 3:4
August 14, 2014 by Juliet

7th grade math
Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2, but...
February 27, 2015 by Alexis

calculus
the cross section of a 5-ft long trough is an isosceles trapezoid with a 2 foot lower base, a 3-foot upper base, and an altitude of 2 feet. water is running into the trough at a rate of 1 cubic foot per minute. how fast is the water level rising when the water is 1 foot deep?
October 16, 2011 by rachel

Algebra 1--Please, help me!
The side of a trinagular roof is to have the same height h and base b (with a 2 below) as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b(with a 2 below)h. For a trapezoid, A...
May 23, 2014 by Victoria

Math
Find the surface area for a square prism. The base is 14 in. The perimeter is 8 in. The height is 10 in. A.564 in^2 B. 664in^2 C. 1,120 in^2 D. 1,080 in^2 I need help figuring it out please. Thank you
February 4, 2015 by Callie

geometry
If given an a cos, sin, or tan of an angle of a right triangle, what steps would you take on your calculator to find the measure of that angle? (For example: cos A = .7986, find angle A, The opposite side is 3. The hypotnuse is 5. And the adjacent side is 4) If someone would ...
January 17, 2010 by Sara

Math
1. If Angle ABC is congruent to Angle DEF by side-side-side triangle congruence, the angle B is congruent to Angle E by? A) Side-angle-side congruence. B) Angle-angle-side congruence. C) Corresponding parts of congruence. D) Corresponding parts of congruent triangles are ...
January 30, 2016 by Tim

Geometry (again)
How can one prove a right isosceles triangle? Or a right trapezoid?
January 4, 2016 by Meema

math
Four identical squares, lined up side by side, form a rectangle whose area is 144. What is the perimeter of three of the squares?
April 11, 2013 by anonymous

math
The perimeter of the polygon below is 9x-1. Find the expression for the missing side length. There are 5 expressions: 3x-4, x-5, x+1, 2x+3, and ?. I got ?=2x-6. I added all the equation and minus it from 9x-1.
February 9, 2008 by bob

math
Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
February 25, 2012 by Zama

math
Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
February 25, 2012 by Zama

math
Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
February 25, 2012 by Zama

MATH PROBLEMS
draw a quadrangle below. measure the sides to the nearest 1/2 inch write the lenght next to each side .find the perimeter ..
March 13, 2012 by Anonymous

math
find the perimeter of the actual object using the scale factor shown on hte blueprint. each side is 3 centimeters long. 1cm=5m
February 14, 2013 by Taylor

Math - please help
The Great Pyramid of Giza is 280 feet tall and about 440 feet wide at the base. The distance from the apex to the center of one side of the base is 356.1 ft. What is the area of one side of the pyramid? 61,600 ft.2 99,708 ft.2 156,684 ft.2 78,342 ft.2 Please explain the answer...
May 24, 2013 by Christopher

math
name the triangles that are classified by sides. a. right, scalene, isosceles b.scalene, isosceles, equilateral c.acute, right, obtuse d.obtuse, isosceles, acute -Hinata-chan
February 19, 2014 by HinataHyuga<3

Math
The sides of a triangle are three consecutive odd integers. The perimeter of the triangle is 39 inches. What is the length of each of the three sides?
January 3, 2013 by ANONYMOUS

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