If a regular triangle has a perimeter of #15x+84#, what is an expression for the length of one of its sides?

1 Answer
Jan 11, 2017

Answer:

side = #5x+28#

Explanation:

A regular triangle has 3 sides which are equal in length and the size of each angle is #60°#

TO find the length of one side, divide the perimeter by 3.

side = #(15x+84)/3#

#=5x +28#

An exact answer cannot be calculated until the value of #x# is known.