Question

find the perimeter. simplify your answer.
triangle with sides labeled: hypotenuse ( a + 9 ), vertical leg ( a + 2 ), horizontal leg ( a + 5 )
answer box

Explanation:

Step1: Sum all sides

Perimeter = (a+9) + (a+2) + (a+5)

Step2: Combine like terms

= a + a + a + 9 + 2 + 5 = 3a + 16

Answer:

3a + 16