Question

A 3 cm x 10 cm rectangle sits inside a cicle with radius of 12 cm.

What is the area of the shaded region?
And your final answer to the nearest hundredth
Intre to
cm
80% a few
12 em
10 em
100% 200
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Answer 1

422.16 square cm

Explanation:

Area of shaded region = Area of circle - Area of rectangle

`= \pi {r}^(2) - lw \\ = 3.14 * ({12)}^(2) - 10 * 3 \\ = 3.14 * 144 - 30 \\ = 452.16 - 30 \\ = 422.16 \: {cm}^(2)`