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Stels [109]
3 years ago
13

Find BC please help!

Mathematics
1 answer:
Ulleksa [173]3 years ago
3 0

Answer:

BC=23

Step-by-step explanation:

Use sine rule:

x/sinX=y/sinY

BC/sinA=AB/sinC

BC/sin61=9/sin20

BC=26.3142396015*sin61

BC=23.0149525338

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