Question

1. Find the area of the shaded region. Substitute 3.14 in for ∏ and round your answer to the nearest hundredth.

Answer 1

4 squared = 16
pi * 2 squared = 4 * pi

pi = 3.14, so 4 * pi = 12.56

Area of shaded region is 16 - 12.56 = 3.44
not sure

Answer 2

>Find the area of the shaded region.

I don't see the shaded region.