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Question Number 36472 by Rio Mike last updated on 02/Jun/18

w h a t i s t h e a r e a o f t h e s e c t o r o f a c i r c l e

w i t h R a d i u s 3 \frac{1}{2} c m a t 30 ° f r o m t h e

c e n t r e (t a k e π = \frac{22}{7}) .

Answered by math1967 last updated on 02/Jun/18

\frac{30 °}{360 °} \times π \times {(\frac{7}{2})}^{2} s q c m

\frac{1}{12} \times \frac{22}{7} \times \frac{49}{4} = \frac{77}{24} s q c m

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