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Ainat [17]
3 years ago
12

Find C and round to the nearest tenth.

Mathematics
2 answers:
GalinKa [24]3 years ago
8 0

Answer:

29.4 degrees

Step-by-step explanation:

i divided sin by 55 degrees

Yuki888 [10]3 years ago
4 0
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
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