Math, asked by kyronwitter5678, 1 day ago

Find the length of side BC. Give your answer to 3 significant figures.

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Answers

Answered by gdnchowdary
0

Answer:

BC=19.385

Step-by-step explanation:

cosB=adjacent side/hypotenuse

Given that angle B=71°

cos71=0.325

adjacent side/hypotenuse=0.325

AB/BC=0.325

6.3/BC=0.325

BC=6.3/0.325

BC=19.385

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