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Find C.
Round to the nearest tenth

Find C. Round to the nearest tenth-example-1
User MyDogTom
by
7.1k points

1 Answer

5 votes

Answer:

Explanation:

c^2=a^2+b^2-2abcosC

cosC= (a^2+b^2-c^2)/(2ab)

C=arccos[(a^2+b^2-c^2)/(2ab)]

C=arccos(90^2+55^2-50^2)/(2(90)55)

C=arccos(8625)/(9900)

C=29.4 degrees

User Alysia
by
6.6k points
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