lorielle98777
lorielle98777
18-10-2017
Mathematics
contestada
Find BC of AC=21 and AB=9
Respuesta :
tejanoajet
tejanoajet
31-10-2017
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
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