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Let trianglePQR be a triangle. Let veca ...

Let `trianglePQR` be a triangle. Let `veca = vecQR, vecb= vecRP` and `vec c=vecPQ`. If `|veca| = 12,|vecb|= 4sqrt(3)` and `b.c = 24`, then which of the following is (are) true ?

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Let /_PQR be a triangle.Let vec a=vec QR,vec b=vec RP and vec c=vec PQ. If |vec a|=12,|vec b|=4sqrt(3) and b*c=24, then which of the following is (are) true?

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