Monday

May 25, 2015

May 25, 2015

Number of results: 78,822

**Geometry**

Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go?
*April 10, 2011 by mary*

**Math**

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind of number?
*December 18, 2009 by Punkie*

**Math**

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind of number?
*December 18, 2009 by Punkie*

**math**

An equilateral triangle is inscribed in a circle. The radius of the circle is 21 in. Determine the side length of the triangle to the nearest 10th of an inch
*June 20, 2011 by Leasha*

**math**

shape has 4 side: at least one angle measure90 is it a.righ triangle .b.right trapezod c.right triangle b.rhombus
*February 16, 2012 by vannyboo<3*

**math**

a triangle has sides 9cm,12cm,18cm.the longest side of a similar triangle measures12cm.what is the length of other sides
*July 31, 2012 by vedant*

**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**

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 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*

**Math help, anyone?**

11. Name the triangles that are classified by sides. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute
*March 6, 2014 by anonymous*

**Geometry question**

In isosceles ABC, B is the vertex. The measure of angle B can be represented as (8x+2). The measure of angle A can be represented as (9x-2). Find the measure of all three angles of the triangle. Be sure to name the angle with it’s measurement (ex: angle A= ).
*August 23, 2007 by Jim*

**math**

the area of a triangle is 90 square meters and the height is 12 meters. What is the base of the triangle?
*March 7, 2011 by Bluestarr*

**Right triangle (tri)**

ladder 13 feet long . if she set the base of the ladder on the level ground 5 feet from the side of a houes, how many feet above the ground will the top of the ladder be when it rest against the house?
*December 17, 2009 by pat*

**Right triangle (tri)**

ladder 13 feet long . if she set the base of the ladder on the level ground 5 feet from the side of a houes, how many feet above the ground will the top of the ladder be when it rest against the house?
*December 17, 2009 by pat*

**Math**

Find the missing measurement for each triangle. 1. A= 16 in squared, b= 8 in., h=? My answer 4 in. 2. A= 20 m squared, b=___, h = 4 m. My answer b=10. 3. A=____, b=6.4ft. h=7.6ft My answer A=24.32ft square. 4. A=14 cm squared, b=2cm, h=___ My answer 14cm. 5. A=36mi square, b=...
*April 10, 2014 by Khrys*

**trig**

Find all solutions to the following triangle. (Round your answers to one decimal place. If either triangle is not possible, enter NONE in each corresponding answer blank.) A = 115.2¡ã, a = 43.6 cm, b = 23.1 cm First triangle (assume B ¡Ü 90¡ã): B = ¡ã C = ¡ã c = cm Second ...
*November 16, 2012 by janice*

**Math**

Find the volume of a regular square pyramid that is 8 m high and has the length of the side of the base as 9 m
*April 29, 2015 by Tim*

**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*

**algebra 1**

express the area of each triangle as a monomial. 10. height-2n^2 base- 5n^3 11. height- 4ab^5 base- 3a^4b
*February 5, 2008 by Caroline*

**algebra 2**

ok supposed the base of a triangle is 5 cm greater than the height the area is 52 cm what is the height and length at the base?
*June 13, 2010 by me*

**Math**

The base of a triangle is 8cm greater than the height . The area is 24cm^2. The height is what and the base is what?
*November 1, 2013 by Pam*

**geometry**

The sides of an acute triangle are x, 35, and 37, where x is the shortest side. Find the range of possible values for x and express it as an inequality
*November 14, 2011 by alisa*

**geometry**

Find the area of a circle circumscribed about an equilateral triangle whose side is 18 inches long.
*January 22, 2012 by cat*

**geometry**

the sides of an acute triangle are x, 35, and 37, where x is the shortest side. find the range of possible values for x and express it as an inequality.
*January 29, 2012 by tab*

**math **

A right triangular field has its hypotenuse is fifty cm and one side is forty cm find the aarea of it triangle
*January 1, 2013 by nisha *

**math**

A right trianglar field has a hypotenuse is fifty m and one side is forty m find the area of the triangle
*January 2, 2013 by nisha *

**geomerty**

find the area of a circle circumscribed about a equalateral triangle whose side is 18 inches long
*May 18, 2013 by buzz*

** algebra 1**

Evan is making a table that will be created in the shape of the figure below. The table top is a triangle attached to a rectangle. To purchase the right amount of paint, he needs to know the area of the table top. He can only spend $10 on paint, which is enough to cover 150 ...
*July 1, 2014 by monica*

**math**

find teh missing length of the right triangle the bottom number is 15 and the top angle is 17 i need to know how to find the left side of the angle?????help please
*October 23, 2009 by donavan*

**geo**

a graphic artist is using a coordinate plane to design a company logo. the log has an equilateral triangle inscribed in a circle.. The lies in quadrant 1, is tangent to the x and y axis and has a radius of 10 units. one side of the triangle is parallel to the y axis and one ...
*May 14, 2014 by mary*

**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*

**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**

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**

what is the perimeter of triangle 8746
*October 26, 2011 by jackie*

**geometry**

An isosceles right triangle has a hypotenuse of 8 units. What is the length, in units, of one the legs? Round your answer to the nearest hundredth if necessary.
*January 6, 2011 by danielle*

**geometry**

the measure of an exterior angle of an isosceles triangle is x. what are the possible angel measures of the trianglein terms of z? describe all the possible values of x.
*November 6, 2011 by Anonymous*

**Isoceles Angle Bisector**

Triangle ABC is isosceles with AB=AC. D is a point on BC such that AD bisects ∠BAC. What is the measure of ∠ADB (in degrees)?
*April 19, 2013 by HELP ME...uRGENT!...PLEASE*

**Geometry**

Which of the following can be used to describe the triangle with the vertices listed below? F(-1, 1), G(-8, 1), H(-9, -10) I. acute II. obtuse III. right IV. scalene V. isosceles VI. equilateral -----Please show me how you got the answer
*March 25, 2012 by monique*

**math**

The rectangle pictured consists of two squares placed side by side. The perimeter of the rectangle is 60 cm. What is the number of square centimeters in the area of the rectangle?
*March 23, 2015 by G*

**calculus**

Find the dimensions of the rectangle with area 256 square inches that has minimum perimeter, and then find the minimum perimeter. Dimensions: Minimum Perimeter:
*April 20, 2012 by casidhe*

**math**

1. Find the area of a circle whose diameter is 5.1 centimeters (cm). Use 3.14 for ƒàƒnand round your answer to the nearest tenth of a square centimeter. 2.A triangle has base 13 feet (ft) and an altitude of 6 ft. Find its area
*October 12, 2007 by chester*

**Algebra 1**

Traingles C and D are similar. The area of triangle Cis 47.6in2. The base of triangle D is 6.72in. Each dimension of D is 6/5 the corresponding dimension of C. What is the height of D? How in the world do you this problem!! Please help BIG TEST TOMMOROW!!! :)
*November 7, 2007 by Grace*

**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**

a closed box has a fixed surface area A and a suqare base wide side X a) find the formula for its volume, v, as a function x b) sketch the graph of v against x c) find the max value of V
*March 30, 2010 by joelle*

**calculus**

a closed box has a fixed surface area A and a suqare base wide side X a) find the formula for its volume, v, as a function x b) sketch the graph of v against x c) find the max value of V
*March 30, 2010 by clueless*

**calculus**

a closed box has a fixed surface area A and a suqare base wide side X a) find the formula for its volume, v, as a function x b) sketch the graph of v against x c) find the max value of V
*March 30, 2010 by miley*

**math**

The base of the lamp of a triangular prism with an equilateral triangle base . The surface of the stand is to be painted.what is the area that will be painted?Give the answer to the nearest whole number.
*February 19, 2014 by gary*

**Math-Triangles**

How do I find a missing length to a triangle? The lenths I have are 18 for one side 27 for the other and (x) for the bottom length. Then for the other triangle given the lengths are 14 for one length, 21 for the other length and 28 for the bottome length. I am trying to solve ...
*October 17, 2009 by Anonymous*

**Math **

triangle GHE hypotenus GE=21,the altitude from H intersect GE @ F GH=10 HE=17 a.Find HF b.Is triangle EHF similar to triangle HGF ?
*January 5, 2010 by JEFF BOMB*

**Geometry**

Find the area of each equilateral triangle. The triangle has 12cm sides. The triangle has 10in altitudes.
*September 30, 2013 by George*

**Math**

A ship in calm seas steamed 13 km in one direction, turned and steamed 13 km in another direction, and then returned 12 km back to its original position. The captain then plotted the ship’s course on a nautical chart. She asked her first officer to look at the chart and ...
*March 22, 2011 by Brandon*

**math help mepls**

Triangle ABC has an obtuse angle at B, base BC has length equal to 30 and height equal to 24. (This height is taken with respect to base BC). D is a point on the line segment BC and E is a point on AC such that DE∥AB. F is a point on AB such that FD∥AC. As D varies...
*June 7, 2013 by clavin*

**Math**

Suppose that the area of a square is forty-one times its perimeter. Find the length of a side of the square. All I can think of is that P=4s and A=s^2 thanks for any help
*September 10, 2010 by Mark G*

**math**

two angles in a triangle measure degreeand 38. the longest side is 24cm longer than the shortest side. write to explain how you would determine the length of the shortest side. can i use sin law or the cosine law.pls. explain..
*July 11, 2011 by geekgirl95*

**math**

The Bermuda Triangle, known for its disappearance of ships since 1950, has a base between Miami and Puerto Rico, which is about 1000 miles. Its height is between the Bahamas and Bermuda, which is also about 1000 miles. Find the area covered by the Bermuda Triangle.
*February 25, 2013 by kelly*

**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*

**algebra**

One side of a rectangle is 12 inches, and the other side is x inches.What values of x will make the perimeter at most 44 inches?
*February 3, 2011 by jessi*

**maths**

c) An equilateral triangle of side 3 cm each is given, How many triangles can be made from this equilateral triangle of 1cm?
*March 19, 2010 by sandhya*

**math**

an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle
*December 13, 2011 by anonymous*

**Math HELP!**

What is the height of the tree? Its a right angle triangle but its laying on its left side. The right side is 52 ft. the left side is 38 ft. The tree is standing as tall as the bottom. A. 64.4 ft. B. 35.5 ft. C. 37.4 ft. D. 90 ft. Is the answer A? Thanks
*October 22, 2014 by Anonymous*

**geometry**

find the perimeter and area of each figure. Give your answers in simplest radical form. 1. a 30 degree-60 degree-90 degree triangle with hypotenuse length 28 centimeters
*November 10, 2014 by lucy*

**MATH**

One side of a rectangle is 53cm another, another side is 29 cm. What is the perimeter of the rectangle
*April 10, 2011 by JORDAN*

**math**

If the rectangle is 53 cm on one side and the other side is 29 cm what is the perimeter of the rectangle.
*March 20, 2014 by zoye*

**MATH**

Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
*September 15, 2011 by Chris *

**math**

if a square pyramid has a base side length of 6.3 m and a slant height of 4 m. find its surface area
*May 27, 2008 by brooke*

**Math**

A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
*April 30, 2015 by Preia*

**Math**

A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
*April 30, 2015 by Preia*

**Math**

The radius of the circumscribed circle of the triangle abc is 15cm. given that B is a 49-degree angle; find the length of the side AC
*September 7, 2010 by Crystal Johnson*

**trig**

Ok, so im brand new at trigonometry. If i have a right triangle with an acute angle of 30° an opposite side of 4 and a hypotenuse of x how do ii find x
*May 30, 2011 by maya*

**algebra,math**

Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary. a = ?, b = 5, c = 8 A. 6.0 B. 6.1 C. 6.2 D. 6.3
*October 24, 2011 by tracy*

**calculus**

find the area of the largest rectangle having one side on the x axis and inscribed in the triangle formed by the lines y=x, y=0, and 3x + y = 20
*November 16, 2012 by eav*

**Math**

One side of a triangle is 5cm more than the other and 2cm less than the hypotenuse. Find the lengths of the 3 sides?
*July 12, 2014 by Jonel*

**Math**

1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?
*May 23, 2011 by Reshma *

**Algebra II**

The base of a triangle is 8 cm greater than the height. The area is 24cm^2. What is the base and height?
*January 17, 2011 by Nancy*

**Maths**

The sides of a triangle are 4.53cm, 5.70cm and 6.21cm. By what percentage (correct to two decimal places) is the longest side is greater than the shortest side Working Out please
*January 7, 2012 by Math's Noob*

**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 *

**Rae**

The sides and classifications of a triangle are given below. The length of the longest side is the integer given. What value(s) of x make the triangle? x,x, 8; right Please provide an explanation as well. Thank you.
*December 5, 2012 by Geometry*

**Ottawa University **

Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
*September 15, 2011 by Chris *

**math**

A storage shed is in the shape of a square. A builder increases the length of one side of the shed by three feet and decreases the length of an adjacent side by two feet. The shed is now a rectangle with a perimeter of 70 feet. What is the measure of a side of the original ...
*July 27, 2013 by vincent*

**trig**

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm
*April 16, 2008 by Abigail*

**MATH HELP PLZ**

in RIGHT triangle abc the radian measure of angle c is pi/6, what is the length of bc? ab = 2 i was thinking of taking the sin of pi/6 since bc is the y axis. but it does not match the answer of 2 root 3 I would have to know where the right angle is. You are clearly dealing ...
*July 16, 2007 by tushar*

**Maths**

What is the perimeter formula for an equilateral triangle?
*October 12, 2010 by Jannie*

**5th grade**

Draw a triangle with a perimeter of 50 ft.
*November 30, 2010 by Chance*

**geometry**

What is the perimeter of a triangle ABC with vertices A(3,5), B(3,1), and C(0,1)
*August 23, 2011 by Casie*

**geomerty**

how do you figure out the perimeter of a triangle?
*December 18, 2011 by jocelyn jones*

**Math**

What is the perimeter of a triangle 46m 36m and 9.5
*February 12, 2012 by Landon*

**Parent**

the perimeter of the triangle is 55 inches. what is the value of X?
*November 1, 2012 by Pat*

**math**

The area of a rectangle is 25 sq in and the perimeter is 25 in. Find the length of the smaller side; enter answer as decimal rounded to 1 decimal place, no units (e.g., 6.0)
*January 23, 2011 by hillary*

**Math**

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.
*January 2, 2012 by Kamal*

**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. I have to do a lot of examples for homework like this so can someone show me so I can do my other problems? Thanks! Consider a solid ...
*April 7, 2010 by summer*

**Math**

two angles ina triangle measure 24 degrees and 38 degrees. the longest side is 24cm long than the shortest side. how long is the shortest side?
*April 20, 2011 by Jess J*

**Math**

Hey People!! I need the answers to these questions really bad!!! OK so here we go.... Which side lengths form a triangle that is similar to triangle ABC? 30, 21,45 20, 14, 28 40,30,60 17,20,25 Find the missing length for the pair of similar figures. 1.125m 4.5m 7m 16m Find the...
*November 5, 2014 by Trinity*

**Geometry**

Find the values of the variables and the lengths of the sides of this kite. Side A=y-4, side B=x+5,side C= x+12, side D= 2x+5
*December 14, 2012 by BaileyBubble*

**math**

1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when b=8 and h=6 2)Determine the equation of any vertical asymtotes of the graph of f(x)=2x+3/x^2+2x-3 1) Area of a triangle is 1/2 b*h=A use the formula ...
*August 21, 2007 by Marissa*

**math**

Let PSR be a triangle. Let A, B, C be the midpoints of the sides PS, PR and SR respectively. The following numbers 2,3,4 and 6 are lengths in inches of the three segments: AB, AC and BC and one of the sides of the given triangle PSR. Question: Which of the 4 lengths (2,3,4 or ...
*February 24, 2008 by brwe*

**Math**

A room is in the shape of a right triangle. The hypotenuse is 8 meters longer than the short leg and the long leg is 4 meters longer than the short leg. Find the length of each side. (ok, now how can it be done if I change each side to cm and km, then ft and yards?)
*February 21, 2011 by Julie*

**Algebra**

I hope I can explain this. I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. The height is 20 cm and the three sides are 13, 37, and 40 cm. There is also a line drawn from the corner of the two sides that are 13 and 37 cm, that makes ...
*February 27, 2013 by Sylvia*

**math**

Do a two column proof. Given: HI=FG Prove: GH>FI If FGI is a triangle,and GIH is a triangle, and they both share a common side, GI, and FIH is a straight line, how do you prove the answer?
*December 17, 2012 by Ryan*

**geometry**

the base of a right triangular prism has a width of 8 inches and a height of 6 inches. the length of the third side of the triangle is 10 inches and the length of the prism is 12 inches. What is the surface area of this prism?
*December 26, 2011 by julissa*

**trigo**

in a right triangle XYZ where right angle at angle X, if z= 14 and angle Y = 27.7 degree. Find angle Z, side x and side y.
*February 21, 2011 by sheosono*