In the figure shown above, angleQ measur...

In the figure shown above, `angleQ` measures `70^@` , `bar(PQ)cong bar(PR)` , and `bar(PQ)` and `bar(PR)` are tangent to the circle with center O at points A and B . Find , in degrees , the measure of `angleAOB`.

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The correct Answer is:

`140^@`

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