Question

3. Use r = 3.14 in solving the area of the shaded region.
A. 31.3 m2
C. 33 m2
B. 32.3 m2
D. 33.76 m2
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Answer 1

Step-by-step explanation:

Area of triangle = 1/2 × base × height

= 1/2 × 14 × 12 = 84 m^2

Area of circle = πr^2 = 3.14(4)^2

= 3.14 × 16 = 50.24 m^2

Area of shaded region= Area of triangle - Area of circle = 84 - 50.24 = 33.76 m^2 = Option D

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