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In DeltaPQR side QR is extended to S and...

In `DeltaPQR` side QR is extended to S and angle bisector of `anglePQR and anglePRS` meets at point T. If `angleQPR=80^(@)` find `angleQTR`.

A

`30^(@)`

B

`40^(@)`

C

`60^(@)`

D

`80^(@)`

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