35. In △ABC, AB = 6 cm, AC = 12 cm, m∠A = 60°, and AC is the longest side. Which of the following statements about the measures of the angles in △ABC must be true?

(Note: m∠X denotes the measure of angle X.)

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

According to the information given in the question stem, we can see that this is a right triangle with three angles of 30°, 60°, and 90°. Among them, ∠A=60° is known. According to the question stem, it can be inferred that ∠B=90° and ∠C=30°. Therefore, B.