hey friends please give me answer
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use theta/360*(pi*r2)
1/4 pi*r2
and 3/4pi*r2
19.625cm2 and 58.875cm2
1/4 pi*r2
and 3/4pi*r2
19.625cm2 and 58.875cm2
Umeshlohani:
it is simple based on sector formula
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