kaylala
trigonometry
find s
given:
n=10rev
θ=2πrad
r=3cm



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Hesan
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dw:1392303691318:dw

Hesan
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@kaylala Got it??

Hesan
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Angle should be converted into degree...

Hesan
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as i hve done

***[ISURU]***
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no...

Hesan
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@***[ISURU]*** isn't it ??

***[ISURU]***
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\[S = r \theta \]
valids only for angles measure in radiants

kaylala
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s=60πcm?
@ isuru