Question

find the perimeter of the equilateral triangle. express the perimeter using the same unit of measure that appears on the given sides. 13 yd the perimeter is □

Explanation:

Step1: Recall perimeter formula for equilateral triangle

Perimeter of equilateral triangle $P = 3s$, where $s$ is side - length.

Step2: Substitute side - length value

Given $s = 13$ yd, so $P=3\times13$.

Step3: Calculate the perimeter

$P = 39$ yd.

Answer:

39 yd