Posted by BIAO on Monday, September 5, 2011 at 5:43am.
Please write in "proper case", it is easier to read.
"Points A,B, and C are collinear. If AB=7 cm and ??=13 cm, what are AC's answers? "
Need to confirm what is 13 cm.
In this case, I assume BC to be 13 cm.
There are two possibilities:
A----7------B-----13------C
or
C--6---A---7-------B
Bet you can take it from here.
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