Hard SAT Math Question 57 — Video Explanation | 1600.now

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In right triangle

△ A BC

with

∠ B = 9 0^{\circ}

, let

B D

be an altitude of the triangle. Given that

A B = 10

m,

A D = 6

m, and

D C > 0

. What is the value of

\frac{B D}{BC}

?

A

\frac{10}{3}

B

\frac{6}{5}

C

\frac{3}{5}

D

\frac{5}{6}