Post a New Question

math

posted by .

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

  • math -

    I did the last two problems for you. Now it's your turn.

    I'll be glad to check your answer.

  • math -

    P = 3 a

    a = P / 3 = ( 15 x + 18 ) / 3 = 5 x + 6

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 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 …
  2. 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 …
  3. 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?
  4. 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.
  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. 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.
  7. 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....
  8. 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 …
  9. Math

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

    The length of each side of an equilateral triangle is decreased by 5 inches, so the perimeter is now 45 inches. What is the original length of each side of the equilateral triangle?

More Similar Questions

Post a New Question