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Jdidjcjchxkdjd xhdididijdhd HD if xhdididijdhd during HCC eggs duh HD etched HDd

Jdidjcjchxkdjd xhdididijdhd HD if xhdididijdhd during HCC eggs duh HD etched HDd

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Grade:11

1 Answers

Mohit Bora
13 Points
5 years ago
We know that ,|P|=|Q|=|R|so ,According to ∆law ,R=√p^2+q^2 +2pqcos xSquaring both sideP^2=2p^2+2p^2cosx. (P=q=r)-p^2=2p^2cosx, then we get,-1/2=cosx. (Cos120=-1/2)So angle will be120.

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