Question 42 Answer and Explanation _ACT June 2011 Asia Form 67B Math Section

Question 42 Answer and Explanation _ACT June 2011 Asia Form 67B Math Section

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42. In △ABC, the length of AC is 10 mm, ∠B is a right angle, and ∠A measures 30°. What is the length, in millimeters, of BC ?

F. 5

G. $5\sqrt{2}$

H. $5\sqrt{3}$

J. $\frac{10}{3}$

K. $\frac{20}{\sqrt{3}}$

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation