Find the area for the circle use 3.14 for pi. round to the nearest tenth

Question

4mm is in the middle

A. 12.56 mm squared
B. 25.12 mm squared
C. 50.24 mm squared
D. 502.4 mm squared

Answer 1

I assume the diameter is 4 mm

A = pi * r^2
A = 3.14 * 4
A = ______ mm^2