Find area, answer in terms of π

Step-by-step explanation:

radius of circle=4

diameter=4×2=8

width=2 half circles means diameter=8

length=2 diameters=2×8=16

area=16×8=128

4 half circles make two circles

area of two circles=2×π r^2=2×π×4²=32 π

reqd . area=128-32 π=32(4-π)

5

Step-by-step explanation:

Use the Pythagorean Theorem

C^2=a^2 + b^2

c^2= 3^2 + 4^2

c^2= 9+16

c^2= 25

The take the square root

c= √25

c = 5