Monday

April 20, 2015

April 20, 2015

Number of results: 78,118

**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**

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*

**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*

**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*

**Geometry**

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

**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*

**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 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*

**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**

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*

**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*

**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 *

**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 *

**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*

**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 *

**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**

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*

**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 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**

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*

**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*

**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**

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*

**geometry**

in triangle abc angle a is (3x+40) angle b is (8x+35) and c is 10x what is the longest side of the triangle
*February 7, 2012 by Anonymous*

**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*

**Honors Geometry**

In a proof, I am given that Triangle GCF is congruent to Triangle GKF is congruent to Triangle JHM. Triangle GCF and Triangle GKF are Vertical Angles. I am also given that Angle C(on Triangle GCF) is 4y, and Angle G(on Triangle GKF) is 16y. So, obviously, the angle opposite it...
*November 3, 2010 by Brenna*

**Trigonometry**

The Statue of Liberty is approximatly 91.5 meters tall from the base of the pedestal to the tip of the torch. If a theodolite were placed 100 meters from the base of the pedestal, about how far would the theodolite be from the top of the torch? Sounds like you have a right ...
*April 17, 2007 by Kyonia'*

**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*

**geometry **

I need to find the base, height, and volume of a triangu;ar prism. the front is 8 cm and the side bottom line is 19 cm
*May 27, 2013 by Hannah*

**Math 117**

1.) A rectangular solid and a circular cylinder have the same volume and the same height. The base of the rectangular solid is a square. Which (if any) of the following statements are true? (i) The rectangular solid and the cylinder have the same base area. (ii) The ...
*August 20, 2009 by Zack*

**check!**

here is the question: log5(x-4)= log7x solve for x. These are just base 10 logs. log100 = 2 This equation has the same format as log 40 = log (2x20) Since both sides have log base 10, you divide by log base 10 and end up with 5(x-4) = 7x, so 5x -20 =7x x=-10 One doesn't ...
*September 29, 2006 by Anonymous*

**math**

Classify the triangle with sides of length 6 inches, 8 inches, and 3 inches. A. equilateral B. isosceles C. straight D. scalene I know its not A but I really don't know answer
*October 6, 2014 by LovelyCaity *

**dav**

the area of two similar triangle abc nd def are 15cm.sq nd 25cm.sq respectively.find the ratio of corresponding side
*September 15, 2014 by richa das*

**math**

HOW DO I FIND THA AREA OF A TRIANGLE? 1/2 times the base times the height.
*January 31, 2007 by hanna*

**algebra**

The height of a triangle is 4x + 5 inches and its base is equal to its height. Find its area.
*June 27, 2012 by Anonymous*

**Pre algebra**

The width of a triangle is x-3 and the length is 2x-1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion
*May 25, 2011 by Ashley*

**math**

find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please.
*July 3, 2011 by jenna*

**Calculus**

The area of largest isosceles triangle that can be drawn with one vertex at the origin and with others on a line parallel to and above the x-axis and on the curve y=27-x^2 is.... A) 108 B) 27 C) 12 root 3 D) 54 E) 24 root 3
*March 8, 2011 by Sal *

**MATH **

FIND THE AREA OF A TRIANGLE IF THE BASE (b) IS 9 INCHES AND THE HEIGHT (h) IS = 12 INCHES???
*July 15, 2011 by SANDY*

**Calculus **

1) Find correct to six decimal places root of the equation cos(x)= x for xE[0, pi/2] using Newton's Method. 2) A triangle has two constant lengths of 10 cm and 15 cm. The angle between two constant sides increases at a rate of 9 deg/min. Find the rate of increase of the third ...
*May 4, 2013 by G*

**Algebra**

A triangular pennant has two sides the same length. The third side is 9 in. shorter than either of the equal sides. The perimeter of the pennant is 57 in. How long is the shortest side?
*October 18, 2011 by Anonymous*

**math,help**

help Probblem #6 solve by multiplying through with the common denominator (11)/(3)x + (1)/(6) = (8)/(3)x + (19)/(6) Problem #20 the perimeter of a rectangle is to be no greater than 300in. and the length must be 125in. write an inequality representing the maximum perimeter. i ...
*March 18, 2007 by jasort20*

**Math**

In triangle MABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of MABC is 108?
*December 6, 2013 by Xian*

**geometry**

The side of a triangle opposite a 58° measures 15 inches. To the nearest hundredth of an inch, what is the length of the side opposite a 53° angle
*September 5, 2010 by ben*

**Pre Calculus**

For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the measure of angle A to the nearest degree?
*November 30, 2012 by Kelsey*

**math**

find the base of a triangle whose height is 1.7 feet and whose area is 1.87ft2
*July 23, 2008 by Nathaniel*

**math**

he area of a triangle with base b and height h is given by A=1/2 bh. find the area when b =15 (meter) and h= 40m
*July 29, 2010 by Anonymous*

**honors/Geometry**

how do you write out proofs? To be more specific with my question, how do you find the alternate exterior angles theorem? Be sure the result is not a postulate. If it is then there's nothing to prove, it's given. If it is a theorem -a provable statement- then review the ...
*September 27, 2006 by chelsea*

**algebra**

what are the formulas for finding perimeter and area of a triangle?
*December 5, 2007 by Tabby*

**math**

what is the perimeter of a triangle which sides mesure 6,8,and 10 inches?
*February 12, 2008 by erica*

**Math**

What is the perimeter of an equilateral triangle with an altitude of 15m?
*March 14, 2013 by Amber*

**math**

Construct a triangle QST, if the perimeter is 9.7cm, <S = 60 , <T= 50
*April 1, 2015 by SHUBHAM*

**Geometry help**

If a regular triangle has a perimeter of 30sqrt3 what is its apothem?
*April 8, 2015 by Anonymous *

**math**

A right triangle has a hypotenuse of length 3.00 m, and one of its angles is 30.0°. What are the lengths of (a) the side opposite the 30.0° angle and (b) the side adjacent to the 30.0° angle?
*July 19, 2009 by steven*

**PRECAL MULTIPLE CHOICE **

If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B? B= 62.3 or 117.7 B = 62.3 B = 117.7 there is no solution
*May 28, 2014 by l*