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Help me answer these questions about angles
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Help me answer these questions about angles

Help me answer these questions about angles-example-1
User Unex
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19. see attachment
Answer: D

20. Set up a proportion.
BD/ED = BC/AC
8/7 = 12/x
8x = 84
x = 84/8 = 10.5

Answer: C

Help me answer these questions about angles-example-1
User Daniel Barden
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