taylorharris1229 taylorharris1229

16-02-2021
Mathematics

contestada

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

Respuesta :

16-02-2021

Answer:

Step-by-step explanation:

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

Law of Cosines:

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

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