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

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Answer 1 · 2017-01-11T21:12:30

side = $5 x + 28$ $5x+28$

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.

If a regular triangle has a perimeter of 15x+8415x+8415x+84, what is an expression for the length of one of its sides?