Number of results: 21,096

**Math**

Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you

*November 11, 2015 by Kenny*

**geometry**

a rectangle and an equilateral triangle have the same perimeter the length of the rectangle is 4 times its width the length of each side of the triangle is 55 centimeters what is the length,in centimeter of the triangle

*March 27, 2011 by tamara*

**Math**

The ratio of a triangle's sides is 4:3:6. If the length of the hypotenuse is 1/4, what is the value of the length of the short leg of the triangle subtracted from the length of the long leg of the triangle? Help please?

*July 13, 2016 by Jane*

**Algebra**

The length of the sides of a triangle are three consecutive even integers. The perimeter of the triangle is 36 in. What is the length of the longest side of the triangle?

*May 24, 2011 by Jocelyn*

**math plz check ;-;**

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...

*May 31, 2016 by leo*

**math plz check ;-; sorry**

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...

*May 31, 2016 by leo*

**Math**

Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC?

*November 11, 2015 by Kenny*

**math**

The length of the hypotenuse of a right triangle is 40 cm. The legs of the triangle are the same length. How long is each leg of the triangle?

*January 28, 2016 by Anonymous*

**algebra**

an isosceles triangle is one in which two sides are the same length. The perimeter of an isosceles triangle is 36cm if the length of the congruent sides is 4 times the length of the third side, find the dimentions of the triangle

*February 12, 2015 by Mia*

**math**

An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 10 more than four times the length of the bottom of the triangle. The last side is 3 more than the bottom of the ...

*October 23, 2016 by Anonymous*

**math/geometry**

complete the statements: To find the length of the hypotenuse of a 45-45-90 triangle, multiply the length of one of the legs by:? Could the answer be .5??? to find the length of the shorter leg of a 30-60-90 triangle, multiply the length of the longer leg by:? To find the ...

*December 5, 2009 by Lauren*

**algebra**

A triangle has a perimeter of 161 miles. The length of each of the two shorter sides of the triangle is two thirds the length of the longest side. Find the length of each side of the triangle.

*September 15, 2014 by tor*

**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*

**Algebra**

The perimeter of an equilateral triangle is 7 in. more than the perimeter of a square. The side of the triangle is 5 in. longer than the side of the square. Find the length of each side of the triangle. (Note: An equilateral triangle has all sides equal) Please help! Let x be ...

*August 16, 2007 by Jodi*

**Trig**

Its a 30-60-90 triangle there's a line in the center that= 10 a. What is the length of the hypotenuse of triangle ABC? b. What is the length of the shorter leg of triangle ABC? c. What is the length of the longer leg of triangle ABC?

*February 1, 2012 by BreAnne*

**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*

**triangle measurements**

if a triangle has a top length of 13 cm and a lower length of 12 cm what would the height of the triangle be?

*April 22, 2014 by mia*

**Math**

consider a triangle with vertices (a,b), (c,d), (e,f), with the area of the triangle b/2 a = area of an equilateral triangle with side length b c = length of diagonal of a cube with side length b a/c = the positive asymptote of the conic equation (x^2)-2(y^2)=6 d = volume of ...

*December 17, 2007 by Paragon*

**math**

3cm triangle,9cm triangle, 27cm triangle, If the pattern continues,and a fourth triangle is drawn,what would be the length of a side?

*January 9, 2012 by andrew*

**math**

Triangle ADE is proportional to Triangle ABC. The Length of DE is 20 Ft: the Length of AB is 6 ft. and the Length of BC is 8 Ft. What is the length of AD?

*February 25, 2014 by Anonymous*

**math**

Triangle ADE is proportional to Triangle ABC. The Length of DE is 20 Ft: the Length of AB is 6 ft. and the Length of BC is 8 Ft. What is the length of AD?

*February 25, 2014 by Stan*

**geometry**

The perimeter of right triangle RST is equal to the perimeter of isosceles triangle XYZ. The lengths of the legs of the right triangle are 6 and 8. If the length of each side of the isosceles triangle is an integer. what is the greatest possible length for one of the sides of ...

*December 12, 2011 by HSutha*

**math plz help ;-;**

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...

*June 1, 2016 by leo*

**Math (Geometry)**

The perimeter of right triangle ABC is equal to the perimeter of isosceles triangle DEF. The lengths of the legs of the right triangle are 6 and 8. If the length of each side of the isosceles triangle is an integer, what is the greatest possible length for one of the sides of ...

*August 7, 2012 by ANONYMOUS*

**Algebra**

What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in D.no solution Please help I do not know how to do these...if I ...

*February 25, 2013 by Cassie*

**Algebra - PLEASE HELP!**

Can you PLEASE help me with this problem? I do not understand... The area of a triangle can be found by using the formula A=1/2bh. The area of the triangle can be represented by the expression -17.5x2^ - 138.5x - 27. The triangle's base length is greater than its height. If ...

*February 20, 2017 by Leroy*

**algebra**

A triangle has sides of lengths 20, 28, and 32. A similiar triangle has a side of length 15 and another of length 24. How long is the third side of this triangle?

*March 5, 2011 by Chris*

**Algebra**

Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or a scalene triangle (three sides of different length)

*September 18, 2011 by Amanda*

**Math**

A triangle has a perimeter of 35inches. The length of side a of the triangle is twice the length of side b. Side c is 5inches longer than side a. What is the length of each side of the triangle?

*September 13, 2011 by Bobbi*

**TRIANGLE**

length of AB,BC of scalene triangle ABC are 12,8 rerspectively.the size of angle is 59degree.find the length of side AC

*September 25, 2014 by PUNAM*

**Geometry**

The length of the longer leg of a 30-60-90 triangle is 24 feet. How do I find the length of the hypotenuse of the triangle? The answer must be a radical in simplest form.

*May 23, 2012 by Bonnie*

**Maths**

The length of each of equal sides of an isosceles triangle is 4 metres less than twice the length of the third side.Find the dimension of the triangle of its perimeter is 57.

*September 21, 2016 by Chicku Basu*

**Math**

Suppose that an isosceles triangle has two sides of length a and one side of length c. 1) Find the area of the triangle in terms of a and c. Simplify as much as you can.

*October 1, 2016 by Help*

**math**

The length of the sides of a triangle are 6,14,and 10.If the shortest side of a similar triangle has length,then its perimeter is?

*January 28, 2011 by lindsey*

**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**

the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.

*December 26, 2014 by math*

**Trig**

a. What is the length of the hypotenuse of triangle ABC? b. What is the length of the shorter leg of triangle ABC? c. What is the length of the longer leg of triangle ABC? angle A=60, angle B=30, angle C=90 the triangle has a height of 10

*February 3, 2012 by BreAnne*

**MATH MS.SUE HELP PLEASE!**

Could somebody help me I don't understand any of this. Could someone show me or tell me how to work the problems? 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...

*October 18, 2013 by bob*

**Math**

Two equilateral triangles are sitting side-by-side. The length of one side of Triangle A is 5 ft. The sides of Triangle B are 3 times as long as those of Triangle A. How long is the length of one side of Triangle B?

*January 29, 2015 by Patricia*

**math**

Triangle ABD in the diagram has a right angle A and sides AD = 4.9cm and AB = 7.0cm. side AB is extended to C so that ABC is a straight line. a) use pythagoras theorem in triangle ABD to find the length of BD. b)use trigonometry in triangle ABD to find angle ABD. hence find ...

*June 10, 2010 by Kheladi Nep*

**Engineering**

Triangle ABD in the diagram has a right angle A and sides AD = 4.9cm and AB = 7.0cm. side AB is extended to C so that ABC is a straight line. a) use pythagoras theorem in triangle ABD to find the length of BD. b)use trigonometry in triangle ABD to find angle ABD. hence find ...

*June 20, 2010 by Lee Pearce*

**MATH**

can we sketch a triangle with 1:2:3 side-length ratio???? Intuitively, no. Think about the angles of the triangle. If the sum of two sides is equal to the length of the last side, then the "triangle" is a straight line. But the question is, when i draw it with compass, it ...

*September 24, 2006 by Katrina*

**Math**

Length of equal sides of an isosceles triangle is 4cm less than twice the length of third side.find length of equal sides if perimeter of the triangle is 57 cm

*October 20, 2016 by Sandy's*

**Math**

Each triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypotenuse of the largest triangle is 8 centimeters. What is the number of centimeters in the length of the longer leg of the smallest triangle? Express your...

*December 29, 2015 by Jerry*

**George Carver**

If the length or the triangle is 35 and the base is 53 what is the length of the other side of the triangle.

*March 20, 2013 by Angel*

**Math PLZ help**

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?

*February 14, 2014 by dark1*

**Math**

Two isosceles triangles have perimeters of 8 and 15 centimeters, respectively. They have the same base length, but the legs (the non base sides) of the larger triangle are twice as long as the legs of the smaller triangle. For each triangle, what is the length of a leg?

*January 1, 2013 by Bay*

**MATH!**

The length of a triangle is twice the width. The area is 32 square units. Find the length and width. I have the length of the triangle=2x and the width=x... so would the equation be 2x(x)=32 OR NO? Assume the "length" is the height measured from some side we will call the "...

*May 7, 2007 by megan*

**geometry**

Triangle ABC is congruent to triangle DEF. If the length of AB is 12 feet and the length of AC is 10 feet. Find the length of DE. can someone please help me on this question please and thank youu :)

*September 3, 2011 by Alexis*

**math**

Area of a Triangle. The area in square meters of a triangle is given by A(x)=x^2+5x+6 a)Find A(5) b)If the length of the triangle is x+3 then what is the base of the triangle?

*March 4, 2009 by Debbie*

**PreCalc**

An isosceles triangle is a triangle with two sides that are the same length. Find the measure of the two equal angles to the nearest degree in a triangle that has sides of length 5ft., 5ft., and 6ft.

*April 7, 2010 by Lori*

**math**

The coordinates of (triangle) ABC are A(-3,-1 ) , B( 5,1 ) and C (2,4) (i) Calculate the length of AB , BC and AC (ii) Hence, show that (triangle) is a right- angled triangle

*March 27, 2015 by James*

**trig**

The hypotenuse of a right triangle has length 8. The area of the triangle is also 8 units squared. What is the perimeter of the triangle?

*July 29, 2015 by Alexa*

**Math**

Triangle Lmn is similar to triangle xyz. Triangle LMN has a side of 5 and 3. The scale factor of triangle Lmn to triangle xyz is 2:5. What is triangle xyz's length? Helppppp Meeeeeeeeeee!!!

*April 2, 2013 by Bre*

**Trig**

The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length of segment QR. (d) Find the sizes of the...

*April 17, 2010 by Sarah*

**math**

the perimeter of isosceles triangle is 70 d. of the length of a leg of the triangle is 5 dm less than twice the lenth of the base, find the lengths of the sides of the triangle.

*January 15, 2011 by lou*

**Math**

An equalateral triangle has the length of it's sides given as (y+3)cm, (2y-x)cm and (4x +3)cm.Find (a) the value of x and y (b)perimeter of the triangle (c) altitude of the triangle to the nearest whole number

*October 26, 2011 by Joseph*

**Mathematics**

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?

*March 10, 2014 by CrazyCraft Mod Pack + OreSpawn = FUN! XD*

**algebra**

The sides of a triangle are in the ratio 5:12:13. What is the length of each side of the triangle if the perimeter of the triangle is 15 in?

*August 18, 2009 by Laura*

**algebra**

the length of a rectangle is twice its width w. A second triangle, which is 8cm longer and 3 cm narrower than the first triangle, has a perimeter 154 cm. What is the dimension of each triangle.

*June 30, 2011 by chris*

**math please help**

In a triangle, the lengths of the sides are 3,7,and 8. If the perimeter of a similar triangle is 54, what is the length of the longest side of the larger triangle? *Im not sure on how to begin solving*

*February 19, 2015 by Ari*

**8th grade math **

Would a triangle with a vertical length of 6 and a horizontal length of 10 have the same slope as the blue and red triangles shown in the graph? ANSWER CHOICES A. Yes, the slopes would be the same B. No, the slope of the new triangle would be 2:4 C. No, the slope of the new ...

*January 26, 2017 by negative nancy*

**Math**

1. the points given are two of the 3 vertices of a right triangle. Which could be the third vertex of the triangle given 2 points are (-4,-5) & (3,2) ? 2.) A circle with center O and radius r is intersected at 2 distinct points by line l. Which is true? a. The distance between...

*November 9, 2015 by Sophia*

**algebra**

The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is 16 inches, what is the length of the base?

*October 16, 2011 by amanda*

**Trig**

The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is 16 inches, what is the length of the base?

*June 11, 2012 by Rina*

**algebra 1**

The length of the base of a isosceles triangle is one forth the length of one of its legs. If the premimeter of the triangle is 16 inches, what is the length of the base.

*October 9, 2013 by Kayla*

**math**

Two similar figures have sides in the ratio of 2:3. If a side of the smaller triangle has a length of 7, what is the length of the corresponding side of the other triangle?

*May 9, 2012 by heather*

**trig**

the length of the base of an isosceles triangle is 30.42 inches. each base is 26.54 degrees. find the length of the two equal sides of the triangle to the nearest hundredths. i get 15.19. is that right?

*September 6, 2011 by ALISON*

**math**

The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the length of all three sides of the triangle.

*March 1, 2015 by Valdo*

**Geometry**

A right triangle has an angle that measures 55 degress. The leg adjacent to this angle has a length of 43 cm. What is the length of the triangle? Round to the nearest tenth

*February 14, 2011 by Marco*

**geometry**

Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?

*October 27, 2012 by Sofia*

**Math**

the right triangle ABC, the altitude from vertex C divides the hypotenuse into two segments, one of length 2 and the other of length 16. Find the perimeter of triangle ABC.

*December 7, 2013 by Lily*

**>_<**

The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x

*May 20, 2012 by Anonymous*

**math**

the height of a triangle is 5 cm more than the length of the base. if the area of a triangle is 133 cm^2 find the hight nad length of the base

*March 31, 2013 by luz*

**MATH**

The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. Find the value of x and the length of wach sides of triangle

*November 23, 2016 by Julaine*

**Math**

In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90Â°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the perpendicular from B to AC

*January 11, 2017 by Anonymous*

**geometry**

In triangle ABC, • AB is x cm long • BC is twice the length of AB • AC is 10 cm longer than AB. The perimeter of the triangle is 42 cm. Write down an equation in x and solve it. Use your answer to find the lengths of the sides of the triangle.

*January 16, 2011 by Anonymous*

**Geometry. Grade 11**

The area of the smllaer of two similar triangles is 1/9 the area of the larger triangle. Suppose one side of the triangle is 3.6m. What is the length of the corresponding side of the larger triangle? Suppose one side of the larger triangle is 36m. What is the length of the ...

*December 9, 2009 by George L*

**math**

5. Find the length of the hypotenuse of a right triangle with legs of 20 cm and 21 cm. 41 cm 841 cm 6 cm 29 cm 6. The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm 7. If the sail ...

*November 29, 2012 by hi, help hard questions*

**Math**

Right triangle ABC is similar to triangle XYZ. If the length of side AB is 30 inches, the length of side BC is 60 inches, and the length of side YZ is 10 inches, what is the length of side XY? A.4 B.7 C.6 D.none of above

*March 17, 2012 by Vanessa*

**math**

The base of an isosceles triangle is four less than the sum of the lengths of the legs. If the perimeter of the triangle is 44, find the length of the three sides of the triangle.[ Only an algebraic solution will be accepted ]

*July 27, 2013 by vincent*

**math**

The area of a triangle varies jointly with the height of the triangle and the length of its base. The area of one triangle is 200 square centimeters when its height is 25 centimeters and its base length is 16 centimeters. What is the area of a triangle having a height of 20 ...

*May 17, 2016 by Claire*

**Algebra**

the length of the longer leg of a right triangle is 13 ft more than 3 times the length of the shorter leg. the length of the hypotenuse is 14 ft more than 3 times the length of the shorter leg. Find the side lengths of the triangle

*October 11, 2014 by Jd*

**Geometry**

Please check my answers 1. A triangle has side lengths of 34 in, 20 in, and 47 in. Is the triangle acute, obtuse or right? a. Right b. Obtuse* c. Acute 2. Quilt squares are cut on the diagonal to form triangular quilt pieces. The hypotenuse of the resulting triangles is 26 ...

*November 18, 2016 by Annoymous*

**math-geometry**

The length of the hypotenuse of a right triangle equals the length of one of the legs of the triangle. a.) Always true b.) Sometimes true c.) Never true I for A for the answer is that correct?

*April 16, 2010 by nicole*

**Algebra II**

Two sides of a triangle are equal in length. The length of the third side is three meters less that the sum of the lengthsof the other two sides.Find the length of the longest side of the triangle if its perimeter is 29 meters. Please help. Thanks.

*October 23, 2007 by Lucy*

**math**

The length of the hypotenuse of a right triangle is ã2 times the length of one of the legs of the triangle. answer choice: a.Always true b. sometimes true c. never true

*April 16, 2010 by nicole*

**algebra**

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths. If one of the longer sides is 6.3 centimeters, what is ...

*October 13, 2014 by Kris*

**algebra,**

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths. If one of the longer sides is 6.3 centimeters, what is ...

*October 20, 2015 by lashunda*

**math**

Can someone please help me with the following problems Determine if the triple numbers are can be sides of a right triangle? sqrt(10)sqrt(13)sqrt(23) The length of thy hypotenuse of a right triangle equals the length of one of legs of the triangle A) always true B) sometimes ...

*May 22, 2010 by Nicole*

**Math**

1) The hypotenuse of an isosceles right triangle is 8 cm longer than either of its legs. Note that an isosceles right triangle is a right triangle whose legs are the same length. Find the exact length of its legs and its hypotenuse. 2) The length of a rectangle is 9 m longer ...

*November 18, 2013 by Aaron*

**Math HELP**

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle? A.5 B.5 sqrt 3 C.5 sqrt 2 D.20 Don't understand.

*February 14, 2014 by dark1*

**math**

The lengths of the sides of a triangle are 4in.,14 in., and 16 in.If the longest side of a similar triangle measures 40 in., what is the length of the shortest side of this new triangle?

*November 9, 2010 by Anonymous*

**Pre-algebra HELP ME PLEASE**

A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?

*May 23, 2011 by Ashley*

**Algebra**

The legs of an isosceles triangle are 0.3 foot less than twice the base. The perimeter of the triangle is 4.9 feet. What is the length of one of the triangle’s legs?

*May 1, 2015 by William*

**math**

a rectangle with side of 6 cm and 5 cm has the same area as an isosceles triangle with base length 12 cm find the altitude to the base of the triangle and the sides of the triangle

*July 29, 2016 by dit*

**Math**

The perimeter of a triangle is 50. The length of the sides of a smaller, similar triangle are 5, 6, and 9. FInd the sides of the larger triangle. What steps would I take to solve this?

*November 1, 2011 by MR. BILL*

**math**

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.

*October 22, 2014 by anonymous*

**geometry/trigonometry**

Triangle ABC is similar to triangle APQ with angle CBA equal to angle QPA and angle A common to both triangles. the length of sides AB, AP and PQ are 90cm,60cm and 30 cm. calculate the length of the side BC

*June 20, 2010 by lee pearce*

**algebra**

A triangle has a perimeter of 56 centimeters. Each of the two longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle

*September 10, 2014 by barbara*