1.

In a ΔABC, ∠A=120∘. If the angle bisector of A cut BC at point D, such that length of BD is twice of CD and AD=10 unit, then BC is ​​​​​​​(correct answer + 1, wrong answer - 0.25)

Answer»

In a ΔABC, A=120. If the angle bisector of A cut BC at point D, such that length of BD is twice of CD and AD=10 unit, then BC is
​​​​​​​(correct answer + 1, wrong answer - 0.25)



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