Answer:
37.68 sq cm
Explanation:
Area = pi x r²
Area shaded = area whole circle minus area white circle
pi x 4² -pi x 2²
pi x 16 - pi x4
pi(16-4)
pi(12)
3.14 x 12 = 37.68
Un-shaded area = 3.14 x 2 squared = 12.56
Shaded area = (3.14 x 4 squared) - Area of un-shaded area
= 50.24 - 12.56 = 37.68
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