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OpenStudy (anonymous):
In ∆ABC, if a = 8.75 centimeters, c = 4.26 centimeters, and m B = 87°, what is the length of b to two decimal places?
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OpenStudy (anonymous):
9.5cm
OpenStudy (campbell_st):
you will need the law of cosines to solve it \[b^2 = a^2 +c^2 - 2a \times c \times \cos(B)\] just substitute your values
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