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In the diagram above, O is the center of the circle QRT a...

In the diagram above, O is the center of the circle QRT and PT is a tangent to the circle at T. Calculate the angle x

In the diagram above, O is the center of the circle QRT and PT is a tangent to the circle at T. Calculate the angle x

A.

55^o

B.

40^o

C.

35^o

D.

25^o

E.

20^o

View answer & explanation

Correct answer is E

∠QPT = x^o = 180^o - 125^o - 35^o = 20^o

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