Name: SAT Math Help & School Math Mastery
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#39816

trigonometry

similarity

medium

75 sec

Triangles $A BC$ and $D EF$ are shown above. Angle C and angle F are right angles. If the measure of angle B is 60° and the measure of angle E is 30°, which of the following is equal to the ratio $\frac{A B}{BC}$ ?

A.

$\frac{D E}{D F}$

B.

$\frac{D F}{EF}$

C.

$\frac{D E}{EF}$

D.

$\frac{EF}{D F}$