A = 13, b = 30, c = 40, measure of the smallest angle=

Question

asked Dec 20, 2022 44.6k views

1 Answer

Enot · Answer 1 · 2022-12-25T15:29:11+0000

Answer:

Explanation:

a is the shortest side, so the smallest angle is A.

Law of Cosines:

A = arccos[(b²+c²-a²)/(2bc)] = 13.7722°