Answer:
x = 3.8
Step-by-step explanation:
Perimeter is all the side lengths added up.
Step 1: Set up equation
x + 2(8.3) + 3.8 = 24.2
Step 2: Solve for <em>x</em>
Answer: x= 1
Step-by-step explanation: Look at pic down below.
c = 12
51.84 + 92.16 =
144 =
= c
12 = c
hope this helps :)