Question

In ΔABC, BC = 13, CA = 20 and AB = 19. Which statement about the angles of ΔABC must be true?

m∠B > m∠A > m∠C
m∠C > m∠B > m∠A
m∠A > m∠B > m∠C
m∠C > m∠A > m∠B
m∠B > m∠C > m∠A
m∠A > m∠C > m∠B​

Answer 1

m∠B > m∠C > m∠A

Explanation:

The angle opposite the largest side in a triangle is the largest, and the angle opposite the shortest side is the smallest.