std 9th please answer quick
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COS 30 = BC/AC
BC = 16 √3/2 = 8√3
IN BDC
SIN30 = BD/BC
BD = BC/2 = 4√3
BC = 16 √3/2 = 8√3
IN BDC
SIN30 = BD/BC
BD = BC/2 = 4√3
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