Answer:
(a) 10.0 m²
Explanation:
The radius of the inner circle is (2 m -1.1 m) = 0.9 m. The area of each circle is given by the formula ...
A = πr²
so, the difference in areas is ...
shaded = π(2 m)² -π(0.9 m)² = π(4 -0.81) m²
shaded area ≈ 10.0 m²
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