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
  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
  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)
  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
  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?
  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.
  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
  8. grade six math

    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
  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.
  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.
  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.
  12. 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?
  13. 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.
  14. Grade 6 math

    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
  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
  16. 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
  17. 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
  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
  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
  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
  21. Math

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

    Find the perimeter of the equilateral triangle whose side 3x square +4x +8
  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?
  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
  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! (:
  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?
  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
  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?
  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?
  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
  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?
  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?
  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?
  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?
  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
  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
  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
  40. 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!
  41. 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?
  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.
  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
  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?
  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?
  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
  47. 2nd grade math

    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?
  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)
  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.
  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.
  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
  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
  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
  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
  55. geometry

    Equilateral triangle has area of 9 times the square root of 3 inches. How many inches is perimeter?
  56. 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
  57. 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
  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?
  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
  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
  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
  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.
  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
  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.
  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
  66. Ms. Sue Please help!!!

    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.
  67. 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
  68. Maths

    Three circles with radii 1 is circumscribed tightly in an equilateral triangle. Find the perimeter of the triangle
  69. 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
  70. geometry

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

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

    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?
  74. Math

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

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

    What is the perimeter formula for an equilateral triangle?
  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?
  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
  80. 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
  81. Math

    An equilateral triangle has a perimeter of 45 ft. What is the length of each side if the triangle?
  82. 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
  83. geometry

    An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle?
  84. 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
  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
  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
  87. 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
  88. math

    Show that the largest triangle of given perimeter is equilateral.
  89. Math

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

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

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

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

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