Tisha18id
Answered

AB and BC share point B to form AC. If AC=7 and BC=5, then what is the length of AB?

Sagot :

Caylorid
A                    B                     C
The whole segment is AC,AC=7,BC=5.
                                    AB=?
                                    AC-BC=AB
                                    7-5=2
[tex]|AC|=7;\ |BC|=5\\\\|AC|=|AB|+|BC|\\\\|AB|+5=7\ \ \ \ \ |subtract\ 5\ from\ both\ sides\\\\\boxed{|AB|=2}[/tex]
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