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Angle Bisector

AB is perpend...

Question

AB is perpendicular to CD. If the length of AB is 14 cm, then what is the length of AO?

1.4 cm

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7 cm

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28 cm

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6 cm

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Solution

The correct option is B 7 cm

From the given figure, we can see that AB is the perpendicular bisector of CD, as AO = BO.
$∴$ , if AB = 14cm, AO will be half the length of AB.
Hence, AO = 7 cm

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