plzz ans this question only iii)part
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Ans: Formula,
=>pi r^2 theta/360 - r^2/2 sin theta
=>22/7 × 21 × 21 × 60/360 - 21 × 21 /2 sin theta
=> 231 - 441/2 sin theta
=> sin 60 = root3/2
=> 231 - 441root3 /4
Hope it helps...!!
=>pi r^2 theta/360 - r^2/2 sin theta
=>22/7 × 21 × 21 × 60/360 - 21 × 21 /2 sin theta
=> 231 - 441/2 sin theta
=> sin 60 = root3/2
=> 231 - 441root3 /4
Hope it helps...!!
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