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barPA and barPB are the tangents to a ci...

`barPA` and `barPB` are the tangents to a circle,with centre O as shown in figure.IF `angleAOB=140^(@)`,then the measure of `angleAPB` is:

A

`40^(@) cm`

B

`20^(@) cm`

C

`90^(@) cm`

D

`140^(@) cm`

Text Solution

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The correct Answer is:
A
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