Ask Question
3 February, 17:28

A triangle has a perimeter of 91 centimeters. each of the two longer sides are three times as long as the shortest side. find the length of the three sides

+1
Answers (1)
  1. 3 February, 17:44
    0
    perimeter = a+b+c

    a = short side

    b = 3a

    c = 3a

    a + 3a+3a = 91

    7a = 91

    a=91/7 = 13

    short side = 13cm

    long sides = 3*13 = 39cm each
Know the Answer?