Question

perimeter the perimeter of stephanie’s triangle is half the perimeter of juan’s triangle. juan’s triangle is shown. write a numerical expression to describe the perimeter of stephanie’s triangle.

Explanation:

Step1: Find Juan's triangle perimeter

The perimeter of a triangle is the sum of its side lengths. Juan's triangle has sides 5 ft, 8 ft, and 12 ft. So, the perimeter is $5 + 8 + 12$.

Step2: Find Stephanie's triangle perimeter

Stephanie's triangle perimeter is half of Juan's. So, we divide Juan's perimeter by 2. The numerical expression is $\frac{5 + 8 + 12}{2}$.

Answer:

$\frac{5 + 8 + 12}{2}$