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Difference between Lengths of 2 Sides of a Triangle

If B lies b...

Question

If $B$ lies between $A$ and $C, A C = 12 c m$ and $B C = 9 c m$ . What is $A B^{2}$ ?

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Solution

$A C = 12$ ;
$B C = 9$
$A B = A C - B C = 12 - 9$
$A B = 3$
$A B^{2} = 3^{2} = 9$ .

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