Question

the perimeter of the shape below is 72 m. drag and drop to write an expression for the length of the missing side. then, find the length of the missing side. 15 m 12 m 7 m 15 m 7 m 7 m? m

Explanation:

Step1: Sum known side lengths

$7 + 7 + 15 + 12 + 15 + 7 = 63$

Step2: Subtract sum from perimeter

$72 - 63$

Answer:

9 m