Question

Find the area of sector of a circle with radius 8 cm if angle of sector is 60

Answer 1

area of sector is @/360 X Pai r²

60/360 X 22/7 X 8 X 8

1/6 X 22/7X 64

=1/3 X 22/7 X 32

=22/21 X 32

=33.5cm²

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Answer 2

$= \frac{\pi {r}^{2}60 }{360} \\ = \frac{ \frac{22}{7} \times 8 \times 8 \times 60}{360} \\ = \frac{ \frac{22}{7} \times 8 \times 8 }{6} \\ = 33.52 {cm}^{2}$