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

User Martin Hurford
by
4.4k points

1 Answer

5 votes

Answer:

Explanation:

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

Law of Cosines:

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

User Enot
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4.8k points
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