1.

ABCD is a parallelogram where AC and BD are the diagonals. If ∠BAD = 60°, ∠ADB = 90°, then what is BD2 equal to?

A. \(\frac{3}{5}A{B^2}\)
B. \(\frac{3}{4}A{B^2}\)
C. \(\frac{1}{2}A{B^2}\)
D. \(\frac{2}{3}A{B^2}\)
Answer» C. \(\frac{1}{2}A{B^2}\)


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