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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 12 more than times two the length of the bottom of the triangle. The last side is 7 more than the bottom of the triangle. Write and simplify an expression for the perimeter of the triangle.

Answer :

Mhanifago

Answer:

  • P = 4x + 19

Step-by-step explanation:

Given triangle with sides:

  • a = x
  • b = 2x + 12
  • c = x + 7

Perimeter is:

  • P = a + b + c ⇒
  • P = x + 2x + 12 + x + 7 = 4x + 19 ⇒
  • P = 4x + 19

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