In ΔABC, AD ⊥ BC and AD2 = BD × DC. The measure of ∠BAC is : Options: A . &nbsp75° B . &nbsp90° C . &nbsp45° D . &nbsp60°

In ΔABC, AD ⊥ BC and AD2 = BD × DC. The measure of ∠BAC is :

Question

In ΔABC, AD ⊥ BC and AD2 = BD × DC. The measure of ∠BAC is :

Options:

A . 75°

B . 90°

C . 45°

D . 60°

Answer: Option B

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