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Please help I don’t have a lot of time
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Please help I don’t have a lot of time

Please help I don’t have a lot of time-example-1
User Esben
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1 Answer

4 votes

Answer:

cosA=AC/AB=6/17

m∠A= cos(6/17)≈69.33268..=69,3°

m∠B= 180-90-69.3=20.7°

cosA=6:17 = AC/AB

→AC=6

→AB=17

→BC=15.9

BC²=17²-6²

BC=√253≈15.9

User EeKay
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