In and equilateral triangle ABC, if AD⊥BC, then :

(a) 2AB²=3AD²
(b) 3AB²=4AD²
(c) 5AB²=6AD²
(d) 4AB²=5AD²

Anurag Mishra Professor Asked on 3rd February 2016 in Maths.
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    Answer:  (b) 3 AB^2 = 4 AD^2

    Anurag Mishra Professor Answered on 3rd February 2016.
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