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Find C and round to the nearest tenth.

Find C and round to the nearest tenth.
asked 200k views
3 votes
Find C and round to the nearest tenth.

Find C and round to the nearest tenth.-example-1
asked
User Ahmetcetin
by
7.7k points

2 Answers

4 votes

Answer:

29.4 degrees

Explanation:

i divided sin by 55 degrees

answered
User Novasol
by
7.7k points
4 votes
We know all the side lengths so can use law of cosines. a=90, b=55, and c=50.
2500=8100+3025-2(90)(55)cos(C)
cos(C)=.8712
C=arccos(.8712)=29.4 degrees
answered
User Bob Meliev
by
9.7k points
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