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al351330
09.12.2020 •
Mathematics
Describe the pattern in each sequence and determine the next term of the sequence. Will give brainliest :)
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Ответ:
Ответ:
B=59.58
B'==120.42
Step-by-step explanation:
For the larger triangle, by sin rule, sinB/10=sin45/8.2
sinB=10*sin45/8.2
For the small triangle on the left hand side, by sin rule, sinB'/10=sin45/8.2
sinB'=10*sin45/8.2
So sinB=sinB' but as B'>90, B and B' are supplementary
B=sin^-1(10*sin45/8.2)=sin^-1(0.8623)=59.58
B'=180-B=180-59.58=120.42