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11-03-2021
Mathematics

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Use the Law of Sines to find BC.
Round your answer to the nearest tenths.
B
20
35°
50°
C

Use the Law of Sines to find BC Round your answer to the nearest tenths B 20 35 50 C class=

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Аноним Аноним

11-03-2021

Answer:

Step-by-step explanation:

law of sines is : Sin(A) / a = Sin(C) / c

where A=35

a = BC

C=50

c=20

Sin(35) / a = Sin(50) / 20

0.5735764 / a = 0.76604444 / 20

0.5735764 / a = 0.03830222

0.5735764 / 0.03830222 = a

14.975 = a

BC = 15.0

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