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4 votes
4 votes
Find C.
Round to the nearest tenth

Find C. Round to the nearest tenth-example-1
User Mediha
by
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1 Answer

7 votes
7 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 Drmrgd
by
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