Question

find the perimeter. 15 in 9 in 12 in p = ? in

Explanation:

Step1: Recall the formula for perimeter

Perimeter of a triangle \(P=a + b+ c\)

Step2: Identify the side lengths

\(a = 15\) in, \(b = 9\) in, \(c = 12\) in

Step3: Calculate the perimeter

\(P=15 + 9+12\)
\(P = 36\) in

Answer:

36 in