Saturday

July 30, 2016
Number of results: 89,107

**math**

In Triangle ABC, AC = BC and mC = 62°. The longest side of the triangle is: AC BC AB AM
*January 16, 2012 by Trisha*

**geometry**

A triangle has side lengths of 6, 8, and 9. What type of triangle is it?
*March 18, 2013 by mayra*

**geomotry **

In Triangle ABC, AC = BC and mC = 62°. The longest side of the triangle is:
*May 22, 2015 by ashley*

**Geometry**

In an isosceles triangle, line segment AC is congruent to line segment AB. Find the value of y in terms of x if one of the remote interior angle is y and the exterior angle is 3x+20. I think the answer is y=6x-140 but I don't know how they got it.
*December 8, 2015 by Ashley*

**Elementary Math**

What if we made a pattern by joining pentagons? If the length of each side of the pentagon is 1 unit, then what would be the perimeter of n pentagons joined together? Note: The perimeter is the distance around the outside of the figure.
*January 27, 2011 by Lily*

**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*

**maths**

Choose three options which are true: a) an angle of 150 degrees is equivalent to 2pie/3 radians. b) Cos 0 = cos (0 pie/2) for al values of 0. c) Sin 0 = cos (0 pie/2) for all values of 0. d) If triangle ABC has a right angle at B, then sin A = cos C e) In any triangle ABC...
*June 8, 2007 by kat*

**math**

The rectangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation. one side= 12/(x+1) other side= 6/(4-x) Remember that the perimeter of a rectangle is: P = 2L + 2W Note: P = perimeter, L = length, and W = width. Therefore: 14 = 2[12/(x...
*January 17, 2007 by Shay*

**Math(Geometry)**

In the diagram below(no diagram but details will be provided), right triangle ABC and line BD is an altitude to side line AC. * Prove that (AB)^2=(AC)(AD) -When you label the triangle B should be were the right angle is C should be at the top of the triangle and it should be ...
*November 24, 2010 by Phyllis *

**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*

**Math**

The sum of the lengths of the sides of triangle ABC is 38in. The length of sides AB and BC are 14 inches and 11 inches. Find the length of side AC and classify the triangle.
*March 5, 2012 by Elaina*

**Algebra**

The hypotenuse of a right triangle is 13 inches long. The shorter leg is 7 inches shorter than the longer leg. Find the side lengths of the triangle.
*March 23, 2016 by Jewls*

**math**

The basketball coach wants to know the perimeter of the court. The area of the court is 4700 feet2. What is the perimeter? The long side of the court is 94 feet.
*March 18, 2010 by Christine*

**calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*January 23, 2011 by Anonymous*

**calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*January 23, 2011 by Anonymous*

**calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*January 23, 2011 by Anonymous*

**calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*January 23, 2011 by Anonymous*

**math**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 24¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*September 23, 2012 by Anonymous*

**Calculus**

A rectangular box is to have a square base and a volume of 20 ft3. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*June 11, 2013 by Metzli*

**math**

A rectangular box is to have a square base and a volume of 30 ft3. The material for the base costs 33¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 24¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*September 7, 2014 by kyle*

**math**

A triangle has two sides with equal length and a third side 16 meters long. If the perimeter is 42 meters, what is the length of each of the equal sides?
*July 7, 2013 by madison*

**geometric**

The perimeter of a rectangular carpet is 70feet. The with is three -fourths the length .Find the width. 38. The length of a rectagular room is six times as the width . The perimeter 84 yards. find the width. 39. The width of a rectangle is 12 less than the length. The ...
*March 13, 2007 by baby girl*

**pythagoream theroem**

how do you find the height of a triangle that is 20cm. on each side
*May 9, 2011 by briana*

**physics**

the figure shows a uniform beam of weight 420 N and length 2.0 m suspended horizontally. On the left it is hinged to a wall, on the right it is supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1100 N. What ...
*March 17, 2009 by sweety*

**physics**

the figure shows a uniform beam of weight 420 N and length 2.0 m suspended horizontally. On the left it is hinged to a wall, on the right it is supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1100 N. What ...
*March 19, 2009 by sweety*

**albgrea**

a triangle has 525cm and a base of 50 cm use the formula a=1 over 2 bh to find its height
*October 20, 2009 by cody*

**math**

find the missing dimension of each triangle height=17 area=51 what is the base please help!!
*March 28, 2011 by osdrian*

**trig**

Q1: In a right-angle triangle the base is 50 m long and its height is 40 m .find its area
*October 21, 2011 by Anonymous*

**math**

Find the area of a triangle: base 14 cm, height 5.5 cm. 19.5 cm² 77 cm² 38.5 cm² 770 cm² i think its either 38.5 or 77
*February 9, 2013 by someone unknown*

**math**

find the base and height of triangle in ratio 8to 5 and area is 320
*September 15, 2015 by joan*

**Trigonometry**

In a right triangle normal is 40cm,hypotenuse is 44.Find the value of base?
*November 30, 2015 by Anonymous*

**Math**

If I have a triangle and they are asking me to find the perimeter of DEF when EF is 16cm and DE is 12cm would I add those two numbers then subtract 180 from that answer?
*May 9, 2013 by Anonymous*

**Geometry**

One leg of a right triangle has a length of 15 m. The other sides have lengths that are consecutive integers. Find the number of meters in the perimeter.
*August 24, 2015 by Mr. Alexander*

**math**

a triangle,side ac is 3/5 of side ab,and is 23.1 m. side ab is 7/9 of side bc.angle b is 1.5 times larger than angle c,and angle a is twice the size of angle c.how many degrees is angle A
*August 11, 2012 by don *

**geometry**

Two sides of a triangle are equal. The third side is 5 inches longer than the one with equal sides. What is the length of the equal sides if the perimeter is 32 inches?
*September 21, 2011 by Ck*

**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 Ð b = 50.0°, find the height of the cliff. the diagram is a triangle ...
*March 26, 2010 by Thank You For The Help*

**Math**

The length of the side QR of a triangle PQR is 14.5cm <PQR=71 <QRP=57,find the length of the side s PR and PQ
*January 15, 2015 by Joyce*

**Precalc**

1. 1/3log base 8 of (x+1)=2log base 8 of 3-(2/3)log base 8 of (x+1) 2. 2^x+8 times 2^=x all over 2 = 3 3. if log base a of 3= x and log base a of 2 = y, find each of thefollowing in terms of x and y log base a (18a^3) thanks!!
*November 28, 2012 by Rebekah*

**Applied Calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 32¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ...
*March 13, 2013 by Jacob*

**math**

In equilateral triangle ABC, AB=3x and BC= 2x=12. Find the numerical value of the perimeter of ABC.
*September 29, 2010 by Troy*

**Physics URGENT**

5uC charges are at the base vertices of an equilateral triangle 0.4m on a side. What is the electric field at the third vertice? im not completely sure how to start that.. don't i need the force to calculate the x&y components? NO. Figure E directly from a charge. ...
*February 2, 2007 by MatT*

**Physics E&M**

Three electrons form an equilateral triangle 1.00 nm on each side. A proton is at the center of the triangle.What is the potential energy of this group of charges?
*February 18, 2008 by Spencer*

**MATH**

two sides of a triangle measure 8 and 15. how many integer values can be assigned to the third side so that all the angles in the triangle are acute.
*January 28, 2011 by Diana*

**geometry**

Two sides of a triangle measure 8 and 15. How many integer values can be assigned to the third side so that all the angles in the triangle are acute?
*April 18, 2011 by samuel*

**physics **

In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?
*January 21, 2016 by john*

**trig**

In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?
*January 23, 2016 by jojo*

**math**

How do you find the area of each triangle and know which one has the greatest area , if you have a perimeter of 12 units
*March 8, 2015 by kimmy23*

**math**

according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of the other two sides. the two shortest sides of a triangle measure 3/10 and x + 1/5 and the longest measures 3/2x. write an inequality that uses the ...
*January 15, 2016 by j*

**physics**

Three equal positive point charges q are at the corners of an equilateral triangle with sides of length a. What is the magnitude and direction of the electric field at one corner of the triangle due to two charges placed on another two corners of the triangle ?. These two ...
*January 12, 2016 by THOMAS123*

**PHYSICS**

explorers in the jungle find an ancient monument in the shape of a large isosceles triangle. the monument is made from tens of thousands of small stone blocks of density 3 800 kg/m^3. the monument is 15.7 m high and 64.8 m wide as its base and is everywhere 3.6m thick from ...
*March 5, 2013 by helpppp meeeeeeee PHYSICS.........................*

**math**

a triangle is____if two angles have the same measures parallel unit price rate isosceles decimal
*April 11, 2010 by Anonymous*

**geometry**

One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?
*February 19, 2016 by Melissa*

**Analytic Geometry**

what is the radius of the circle circumscribing an isosceles right triangle having an area of 162 sq. cm? Show your solutions pls. Thank you!
*June 29, 2016 by Nate*

**geometry**

The sum of the lengths of the sides of triangle ABC is 25 in. The lengths of sides AB and BC are 9 inches and 8 inches. Find the length of side AC and classify the triangle.
*March 15, 2011 by Portia*

**math**

The first term of a an infinite sequence is an equilateral triangle inscribed in a circle. The triangle has side n. Each new polygon in the sequence is formed by replacing the middle third of each side by two segments that have the same length as each third. As n, increases ...
*March 8, 2013 by Moyer*

**Math-check my answers please :)**

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*

**calculus**

the volume of a rectangular box with a square base remains constant at 500 cm^3 as the area of the box increases at a rate of 3cm^2/sec. find the rate at which the height of the box is decreasing when each side of the base is 18 cm long.
*May 5, 2011 by Anonymous*

**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*

**Math**

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L'M'N' is a reduction of triangle LMN...
*May 8, 2014 by Anonymous*

**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**

thanks anyone! A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square inches, would the lateral area of the prism increase ...
*August 23, 2011 by scott*

**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 - 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*

**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**

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*

**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*

**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*

**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*

**Math**

The areas Of Two Similar Triangle Are 144cm & 81cm . If One Of The First Triangle 6cm, What Is The Legth Of The Correspoding Side Of The Secod?
*May 18, 2016 by Greda 9*

**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**

Find the area of each triangle with the given dimensions Base=3 centimeter, height =3centimeter
*June 28, 2016 by Matthew*

**MATH**

In a right triangle find the length of the side not given. b=2,c=ã29
*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*

**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*

**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*

**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*

**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*

**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*

**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*

**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 *

**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*