# The perimeter of a square piece of land is twice the perimeter of an equilateral triangle. (an equilateral triangle has three equal sides.) If one side of the square is 45 feet, find the length of the sides of the

30,135 results
1. ## math

The perimeter of a square piece of land is twice the perimeter of an equilateral triangle. (an equilateral triangle has three equal sides.) If one side of the square is 45 feet, find the length of the sides of the triangle. 2x + 3 = 45 2 x + 3 -3 = 45 + 2x

asked by Semra on September 11, 2014
2. ## calculus

A 100 inch piece of string is cut into 3 pieces. One piece forms a circle, one forms a square and 1 forms an equilateral triangle. If the perimeter of the triangle is equal in length to the perimeter of the square how long should each piece of string be to

asked by Dan on November 19, 2012
3. ## 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)

asked by Jodi on August 17, 2007
4. ## MATH!

how do you solve this plz show me how you do this 1. on her last three quizzes, jane scored 84, 96, and 88. what grade must she get on her next quiz to have an average of 90 for all four quizzes? 2. a square and a equilateral triangle have the same

asked by Sara! on June 9, 2010
5. ## math

An equilateral triangle has a perimeter of 33 inches. What would the perimeter of a square whose sides each measure the same length as the side of the triangle?

asked by chanelle on December 5, 2011
6. ## Math

A square has an area of 27 square units. If the perimeter of the square is equal to the perimeter of an equilateral triangle, find the area of the equilateral triangle.

asked by Arch on August 12, 2013
7. ## Math

A pentagon is formed by putting together three identical equilateral triangles and one larger equilateral triangle with length of edge equal to 2 times that of the smaller equilateral triangle. If the perimeter of the smaller triangle is 42 cm, what is the

asked by Cindy on April 13, 2007

Draw an equilateral triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the

asked by marie on December 19, 2011
9. ## Math

The side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the sqaure is 3 times the perimeter of the triangle. Find the length of each side of the triangle.

asked by Pat on October 29, 2010
10. ## Algebra-Perimeter

The side of a square is 4cm longer than the side of an equilateral triangle. The perimeter of the square is 28cm longer than the perimeter of the triangle. Find the length of the sides of the triangle and the sides of the square.

asked by Samantha E on December 9, 2015
11. ## Algebra

A square and an equilateral triangle have the same perimeter.Each side of the triangle is 5 inches longer than each side of the square. What is the perimeter of the square.

asked by Maurice on October 4, 2016
12. ## Math grade 8 (algebra)

The perimeter of the square is 2cm longer than the perimeter of the triangle.Write an equation for the perimeter of the square and then determine the length of each side of the square. Thank you in advance.

asked by Mark on February 7, 2013
13. ## maths

We can cut a square diagonally in half to get two triangles. Suppose the perimeter of the square is 3cm longer than the perimeter of a resulting triangle. What is the perimeter of the square?

asked by komal on April 20, 2011

Draw an equilaterla triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the

asked by vana on March 3, 2009
15. ## Geometry

the ratio of the perimeter of an equilateral triangle of side 4 cm to perimeter of square of the the same length of side

asked by Jave on November 7, 2017
16. ## maths

perimeter of a equilateral triangle is given as 42 cm. Find the perimeter of a shaded part of triangle if the 3 sectors of a circle marked are identical

asked by hesham on March 12, 2011
17. ## maths

a piece of land has a perimeter of a regular pentagon. The perimeter of the land is 2510m. calculate the length of one side of the land

asked by indira on December 14, 2016
18. ## geometry easy

The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO

asked by nicole on October 22, 2013
19. ## geometry easy

The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO

asked by nicole on October 22, 2013
20. ## geometry

An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle. Could someone please explain how to find perimeter. I believe the answer to be 60 sq rt 3m

asked by Brandon on February 14, 2012
21. ## Math

Perimeter of the equilateral triangle whose side 3x square +4x +8

asked by Navinkumar on July 19, 2017
22. ## pre-algebra

The perimeter of an equilateral triangle is 7 inches more than the perimeter of a square,and the side of the triangle is 5 inches longer than the side of square.Find the side of the triangle.

asked by Nita on September 22, 2007
23. ## geometry

one side of an equilateral triangle is 7 dm shorter than one side of square.the sum of the perimeter of the two figure is 49 dm . find the perimeter of each figure.

asked by junior on October 16, 2012
24. ## Math

Find the perimeter of the equilateral triangle whose side 3x square +4x +8

asked by Navinkumar on July 19, 2017
25. ## Geometry

A regular hexagon is made from equilateral triangle by cutting along the dotted lines and removing the three smaller triangles. if triangle has a perimeter of 18, what is the perimeter of hexagon?

asked by DJ on June 10, 2010
26. ## math

The figure above consists of two equilateral triangles, one of which is inside the other. If the unshaded region within the larger triangle makes up 8/9 of that triangle's area, what is the ratio of the perimeter of the larger triangle to the perimeter of

asked by Sara on August 9, 2012
27. ## Algebra

A square and an equilateral triangle has the same perimeter. Each side of the triangle is 5 m less than twice the length of each side of the square. How long is each side of the square? Define the variables and write a system of equations. Thx! (:

asked by Jenica on February 16, 2010
28. ## Math

The formula for finding the perimeter of an equilateral triangle is P = 3s. How can you transform the formula so that it can be used to determine the length of one side of the triangle when given the perimeter?

asked by Liv on March 15, 2016
29. ## Math

In the accompanying diagram, the perimeter of isosceles triangle MNO is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4 , 5x-3, 17 and one side of the square is represented by 3x, find the length of the square

asked by Randy James on November 19, 2015
30. ## Math

The diagonal of a square of area 72 is also one side of an equilateral traingle. What is the perimeter of the triangle?

asked by Anonymous on September 20, 2013
31. ## math

Larry and Shamir want to build identical houses. They bought a rectangular piece of land and divided it into two identical squares.Each square piece of land has a area of 2500 meter squared. What is the perimeter of the original rectangle?

asked by Eugene on April 9, 2013
32. ## math

If an equithagorean triangle is an equilateral triangle in which the sum of the cubes of two sides is equal to the square of the third side, what is the perimeter of an equithagorean triangle? A. 0.5 B. 1.5 C. 4.5 D. 6

asked by Larry on July 19, 2015
33. ## math

An equilateral triangle and a regular hexagon share a common side. The perimeter of the triangle is 20 cm. What is the perimeter of the hexagon?

asked by Anonymous on July 25, 2014
34. ## geometry

Consider ann equilateral triangle, a circle, and a square that all have equal areas to each other. Which one would have the largest perimeter?

asked by unowen on November 26, 2017
35. ## math

you start with an equilateral triangle and then trisect each of the sides with a new equilateral triangle on the middle third of each trisection, repeat the process indefinitely how would you prove that the perimeter is infinite?

asked by alex on February 9, 2009
36. ## Algebra 2

An equilateral triangle with side length 2" will have a height of square root 3 inches. A yield sign is an equilateral triangle with perimeter of 5 ft. To the nearest inch, what is the height of the yield sign?

asked by Andri on June 15, 2014
37. ## Geometry

in two congruent triangles the ratio of lengths of two corresponding sides is 5:8. If the perimeter of the larger triangle is 10 ft less than twice the perimeter of the smaller triangle find the perimeter of each triangle

asked by Amy on February 12, 2017
38. ## Geometry

1. One angle of a rhombus measures 60 degrees. If the perimeter ois 20 inches, find the length of both diagonals. 2. An equilateral triangle has an altitude of 18 inches. Find the are and perimeter of the triangle

asked by Autumn on May 19, 2016
39. ## Math

There's a triangle the numbers on each sides are 22 25 and 11 What is it's perimeter and area? Answer: P is 58 A is 345 There's a rectangle the numbers on 2 of the sides says 4 and 1 What is the Perimeter and area? Answer: P is 10 and A is 4 There's a

asked by Connor on January 19, 2012
40. ## Math Help!!!

Triangle A and triangle B are similar. The perimeter of trianlge A is 15 m and the perimeter of triangle B is 30 m. What is the ration of the perimeter of triangle B to the perimeter of triangle A? A. 2:1 B. 3:1 C. 3:2 D. 5:3 Is the answer D?

asked by Callie on November 11, 2014
41. ## Prealgebra

A Triangular piece of land has sides 20m, 25, and 20.5. Find the perimeter of the triangle. 20.25.20.5 = 65.5. P65.5 Is this right. Thank you!

asked by Tracey on March 9, 2016
42. ## geometry

An equilateral triangle has a side of 8. If one corner of the triangle is removed by slicing off an equilateral triangle of side 2, find the perimeter of the remaining quadrilateral.

asked by Alex Sherrow on December 14, 2011
43. ## Geometry

An equilateral triangle with altitude length of 7 square root 3 centimeters. Find the area and perimeter A=49 square root 3 divided by 2 cm ^2 P=42cm

asked by Anonymous on April 2, 2016
44. ## math

what is the perimeter of an equilateral triangle if one side of the triangle has the same length as the side of a square with an area of 25?

asked by kassidy on November 4, 2008
45. ## Math

A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?

asked by Tiffany on January 7, 2009
46. ## Pre-Calculus

A window has the shape of a square surmounted by an isosceles triangle. The sides of the square are length x. The The perimeter of the window is 90 inches. Thus, the perimeter of the triangle is x+2y. So, 90 inches = 3x+2y. (a) Write an equation for the

asked by SpencerCH on January 23, 2011

If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. What about a 2x2 square?

asked by Gloria on May 21, 2007
48. ## calculus II

Suppose R is the region in the plane enclosed by y = x2 and y = 4. a) Compute the perimeter P and area A of R, and then compute the ratio Q = A/P2. Note By squaring the perimeter the ratio becomes independent of the units chosen to measure the region. b)

asked by Anonymous on November 23, 2012
49. ## mathematics

an equilateral triangle has a equal perimeter of a rectangle whose length is 12 meter and whose width is 8.7 meter fined the measurement of the side of the equilateral triangle.

asked by michael on January 11, 2012
50. ## Geometry

The perimeter of a Triangle(MNO) is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4, 5x-3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.

asked by LP on January 6, 2013
51. ## MATH

1. The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? A.10 ft B. 40 ft C. 60 ft D. 120 ft 2. A right triangle has an area of 13 m^2. The dimensions of the

asked by Steve on December 9, 2016
52. ## geometry

I need help with figure E Find the areas of the following figures. FIGURE A = 24? a rhombus with a perimeter of 20 meters and a diagonal of 8 meters FIGURE B = 120? a rhombus with a perimeter of 52 meters and a diagonal of 24 meters FIGURE C = 10.83? an

asked by Anonymous on January 21, 2018
53. ## Math

Look at the given triangles. a. Write an expression in simplest form for the perimeter of each triangle. b. Write another expression in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller

asked by PlzHelp! on June 24, 2016
54. ## geometry

ok i have 2 problems and id appreciate it if someone can help :) 1. given hexagon ABCDEF with diagonal AC being 2 calculate the area and perimeter of the hexagon. 2. the perimeter of an equilateral triangle is equal to its area. find the side length

asked by Henry on December 13, 2011
55. ## geometry

Equilateral triangle has area of 9 times the square root of 3 inches. How many inches is perimeter?

asked by Anonymous on January 3, 2011
56. ## Geometry

The top of a valentine candy box is in the shape of an equilateral triangle if the altitude of the triangle is 8cm what is the perimeter of the triangle

asked by Anonymous on February 13, 2016
57. ## Geometry

An equilateral triangle has side lengths of 10. If the consecutive midpoints of the triangle are joined, then find the perimeter of the new triangle that is formed

asked by Hannah on December 10, 2013
58. ## Algebra 1

each side of an equilateral triangle is 4 cm shorter than twice the length of each side of a square. their perimeter are the same. how long is each side of the triangle?

asked by Anonimous on August 30, 2014
59. ## pre algebra

hi my answers ten thanks ms.sue and other touters 9 An equilateral triangle has a perimeter of 48 centimeters. If the triangle is dilated by a factor of 0.75, what is the length of each side of the new triangle? 3 10***** 12 16

asked by Jam Jam Jam on November 30, 2017
60. ## Math

Look at the given triangles. Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says X+7. a. Write an expression in simplest form for the perimeter of each triangle. b. Write

asked by Oof on May 14, 2018
61. ## Math Help!

Look at the given triangles. Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says X+7. a. Write an expression in simplest form for the perimeter of each triangle. b. Write

asked by Castiel on May 3, 2018
62. ## Maths

A piece of land has the shape of a regular pentagon. The perimeter of the land is 2510m. Calculate the length of one side of the Land.

asked by Indira on December 14, 2016
63. ## Math

You have a 4inch by 6inch notecard and you intend to make a triangle out of the notecard by using one long side (call it AB) as the base of your triangle and by then placing the third vertex (point E) somewhere on the opposite side (call it CD). Where

asked by Tyler on September 15, 2011
64. ## Algebra

The perimeter of MNO is equal to the perimeter of square ABCD. If the lengths of the sides of the triangle are represented by 4x + 4, 5x - 3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.

asked by Tiffany on October 22, 2015
65. ## Math

There is a picture of a square - BCAD, and then there is a triangle EAD. B. E C A. D FIGURE NOT DRAWN TO SCALE In the figure above, the perimeter of the equilateral triangle AED IS 6. What is the area of the rectangle ABCD? A) 6 B) 4 C) 4 radical 3 D) 3

asked by Jessica on December 30, 2017

Ahhh... thank you "A square and an equilateral triangle have the same perimeter. Let A be the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the triangle. Find A/B." It's a tough one.

asked by Sheenybeany on June 10, 2014
67. ## math

When the perimeter of an equilateral triangle is doubled, the result is 24. The length of a side of the original triangle is A. 4 B. 6 C. 8 D. 12

asked by James on August 15, 2014
68. ## Maths

Three circles with radii 1 is circumscribed tightly in an equilateral triangle. Find the perimeter of the triangle

asked by Allyn on November 17, 2016
69. ## math

if the three sides of an equilateral triangle are 3x + 2, 2y - X and y + 3. find X and y and the perimeter of the triangle. kindly elucidate further on this question

asked by stephen on November 23, 2016
70. ## geometry

Triangle ABC is an equilateral triangle with sides of 1. Arcs are drawn from A,B,C. what is the perimeter?

asked by Anonymous on October 25, 2012
71. ## geometry

An equilateral triangle has an apothem of 5 cm. Find the perimeter of the triangle to the nearest centimeter.

asked by Anonymous on September 20, 2016

The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?

73. ## math

An equilateral triangle has a perimeter of 15x +18. What is the length of each side of the triangle?

asked by Anonymous on March 21, 2013
74. ## Matg

An equilateral triangle has a perimeter of (33x + 21). What is the length of each side of the triangle?

asked by Andrea on October 7, 2016
75. ## Math

An equilateral triangle has a perimeter of 45 ft. What is the length of ach side of the triangle?

asked by Katerine on April 13, 2016
76. ## Geometry

An equilateral triangle has a perimeter of 120 inches. What is the area of the triangle? Express your answer in simplest radical form.

asked by Cassie on April 10, 2012
77. ## Maths

What is the perimeter formula for an equilateral triangle?

asked by Jannie on October 12, 2010
78. ## 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?

asked by Dale on September 22, 2009
79. ## Math

If all of the following triangles have the same perimeter, which has the greater area? a) a right triangle with legs of equal lengths b) an equilateral triangle, c) An obtuse triangle d) a triangle whose sides are all different lengths e)an isosceles

asked by Anonymous on August 9, 2012
80. ## Math

An equilateral triangle has a perimeter of 45 ft. What is the length of each side if the triangle?

asked by Anonymous on January 5, 2016
81. ## geometry

An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle?

asked by Cindy on December 14, 2011
82. ## maths

the sides of an equilateral triangle is as follows. 3a+2, 3b-a and b+3. find the value of a, b and the perimeter of the triangle

asked by uzoma on January 11, 2018
83. ## maths

The sides of an equilateral triangle are 3a+2, 3b-a and b+3 respectively. what is the value of a and b and find the perimeter of the triangle

asked by uzoma on January 12, 2018
84. ## Maths

The sides of the equilateral triangle is 3x+2,2y-x and y+3 find x and y.and the perimeter of the triangle

asked by Carl on June 1, 2018
85. ## gometry

[3.05] In, angle C is (7x - 3) degrees and segment AB = (3x + 12)mm. Part a. What value of x would make equilateral? Part b. What is the perimeter or sum of the lengths of the sides of the equilateral triangle? Be sure to include the unit of measure in

asked by nina on July 2, 2010
86. ## Geometry

The lengths of the sides of a triangle are 6 cm, 7 cm and 9 cm. In a similar triangle whose perimeter is 110 cm, what is the length of the longest side, in centimeters? i know that the first triangle's perimeter is 22, but i'm not sure how this will help

asked by Gem on April 1, 2015
87. ## math

The perimeter of an equilateral triangle is 33.6 cm. How long is one side?

asked by alex on January 15, 2016
88. ## Math

What is the side length of an equilateral triangle that has a perimeter of 24.6 cm?

asked by INEEDHELP on October 20, 2017
89. ## math

Show that the largest triangle of given perimeter is equilateral.

asked by zeff on October 9, 2016
90. ## Math

What is the perimeter of an equilateral triangle with an altitude of 15m?

asked by Amber on March 14, 2013
91. ## Math

The sides of the equilateral are given in cm. 3x 2,2y-x,y 3. Find x and y and the perimeter of the triangle

asked by Isaiah on November 27, 2014
92. ## math

An equilateral triangle with a base of 20 cm and a height of 17.3 cm is divided into 4 smaller equilateral triangles. What is true about this figure? A. The total perimeter of all 4 triangles is 70 cm. B. The total area of all 4 small triangles is the same

asked by mimirocks16 on April 15, 2016
93. ## math/geometry

the area of one triangle is 9dm^2 and its perimeter is 4x-4. The area of a similar triangle is 4dm^2 and its perimeter is 2x+6. Find the perimeter of each triangle.

asked by katie on November 11, 2008
94. ## algebra

if one side triangle is one-third the perimeter , the second is one -fourth the perimeter , and the third is 7 meters, What is the perimeter of the triangle ?

asked by jalal on December 8, 2011
95. ## Math

I have two similar triangles. The perimeter of the smaller triangle is 20. If a scale factor of 1 1/4 is used to dilate the triangle, what is the perimeter of the larger triangle?

asked by Rhonda on October 18, 2012
96. ## Centroids and Triangles - determining perimeter?

Let G denote the centroid of triangle ABC. If triangle ABG is equilateral with side length 2, then determine the perimeter of triangle ABC. I drew the diagram, but it doesn't really help....

asked by Knights on March 27, 2013
97. ## math

tiangle pqr is an equilateral triangle in a circle. the height of the triangle is 18 cm. the diameter of the circle is 24 cm. find the perimeter of the triangle. can you help me solve this question?

asked by Anonymous on October 17, 2015
98. ## Algebra 2

an equilateral triangle has an inscribed circle with a radius of sqrt b+27 ft. if the area of the triangle is 48*sqrt b+6 feet squared. what are the two possible value of perimeter for this triangle?

asked by Sujay on February 9, 2014
99. ## math

the perimeter of an equilateral triangle is 9cm.how long is each side?

asked by zainab on December 5, 2010
100. ## maths

find the perimeter of an equilateral triangle whose sides are:4 x rays to 2 -3y+8.

asked by hanna on January 6, 2015