Line segment AB measures 14 cm. If XY is the perpendicular bisector to AB at O, what is the measure of AO?

7 cm

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7.5 cm

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5 cm

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6 cm

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Solution

The correct option is A 7 cm

The perpendicular bisector XY divides the line segment AB exactly into two parts.

Therefore, AO $= \frac{1}{2} A B$

$= \frac{14}{2} c m$

$= 7 c m$

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The perpendicular bisector of line segement AB meets AB at O. If AO = 6.5 cm, then AB = _____ cm.

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