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The Two Sides of Parallelogram are 10 and 20 and one of the angle is 60, the length of shorter diagonal is ?



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ParthKohli
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dw:1361545795661:dw

ParthKohli
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Harder than it looks, but not too hard.
Divide this into two halves.dw:1361546009315:dw

ParthKohli
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Now use the Sine Rule.
Both diagonals are equal

Yahoo!
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Never Mind i Got it...

ParthKohli
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Woohoo!

ParthKohli
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Or should I say: Yahoo!