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anygoal [31]
3 years ago
15

Help please (will give brainliest)

Mathematics
2 answers:
levacccp [35]3 years ago
7 0
We know that sin(a)=80/82.
sin(a)=0.9756
sin^-1(0.9756)=a
a=77.3
klemol [59]3 years ago
3 0
I belive you would subtract 18 from 90????
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