3 years ago

What is the approximate area of the shaded region in the figure below?

Mathematics

1 answer:

sveticcg [70]3 years ago

3 0

Answer:

(a) 10.0 m²

Step-by-step 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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