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8 votes
Find mZB

Note that m B is acute. Round to the nearest degree.
С
15
B
11
81°
A

Find mZB Note that m B is acute. Round to the nearest degree. С 15 B 11 81° A-example-1

1 Answer

7 votes

Explanation:


( \sin(81) )/(51) = ( \sin(b) )/(11) \\ \sin(b) = 0.213 \\ b = 12.3 \: degrees = 12 \: degrees

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