Find BC of AC=21 and AB=9

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asked Sep 23, 2018 117k views

1 Answer

Licx · Answer 1 · 2018-09-27T09:51:41+0000

The answer is 12. How did I get it?

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A B C

AC = 21 (the whole line adds up to 21)
AB = 9 (half of the line is 9)
BC = AC-AB

21- 9 = 12 so BC is 12

Find BC of AC=21 and AB=9

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