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7 March, 17:03

Abc is a triangle in which ∠a = 60o, ab = 3 cm and ac = 4 cm. if bd is the perpendicular from b to the side ac, what is the length of bd?

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  1. 7 March, 18:09
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    Hello,

    BD/AB=sin A

    ==>BD=sin A * AB=√3/2*3=3/2 * √3=2,598076 ... (cm)
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