### Home > CCG > Chapter 11 > Lesson 11.1.1 > Problem11-14

11-14.

Multiple Choice: $ΔABC$ has a right angle at $B$. If $m∠A = 42º$ and $BC=7$ mm, what is the approximate value of $AC$?

1. $9.4$ mm

1. $10.5$ mm

1. $7.8$ mm

1. $4.7$ mm

What trig ratio can you use to solve for $AC$?

(b) $10.5$ mm