Answer:
50.24
Explanation:
→To find a circle's (compass) area, you must use the following formula:
A = π

→All you need to do is plug in 4 for the "r," (radius), and solve:
A = π

A = π

→When you multiply 16 by pi, we're going to use 3.14:
A = 3.14(16)
A = 50.24