Find the area of the figure to the nearest tenth

Asked by maham237 @ 25/12/2020 in Mathematics viewed by 296 People

Find the area of the figure to the nearest tenth.
A. 99.0in^2
B. 31.5in^2
C. 11.0in^2
D. 155.5in^2

Answered by maham237 @ 25/12/2020

Area (A) = πr^2 *(Angle/360)

r=9 in, Angle = 140°

Substituting for all the values given;

A= π*9^2 *(140/360) = 98.96 in^2

To nearest tenth,

A= 99 in^2

Therefore, the correct answer is A.

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