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Find AB if AC = 21 and BC =9.
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Find AB if AC = 21 and BC =9.

User Chris Seymour
by
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1 Answer

6 votes

Answer:

12

Explanation:

Length AC is the total length between ABC

If we already know BC=9, and we're solving for AB, then we just subtract the total amount (AC) from BC

21-9

We get 12

User Mmalone
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