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In the given figure angleABC=50^(@) and ...

In the given figure `angleABC=50^(@) and angleACB=55^(@)`, then find the value of `angleP, angleQ, angleR`.

A

`80^(@),30^(@),70^(@)`

B

`70^(@),80^(@),30^(@)`

C

`60^(@),30^(@),90^(@)`

D

`30^(@),70^(@),80^(@)`

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