In figure, if angleAOB=90^(@) and angleA...

In figure, if `angleAOB=90^(@) and angleABC=30^(@)," then" angleCAO` is equal to

A

`30^(@)`

B

`45^(@)`

C

`90^(@)`

D

`60^(@)`

Verified by Experts

The correct Answer is:

D

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