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Lilit [14]
4 years ago
15

Can someone please answer. There is one problem. There's a picture. Thank you!

Mathematics
1 answer:
irinina [24]4 years ago
5 0
Bc =x 
sinB = 13/x
cosB = 17/x
∵ sinB²+cosB²=1
∴ x≈21
∵ 17/21 = sinC
∴C≈60
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