In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65o and < RPS is 20o. What is the size of < PRS?

In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65^o and < RPS is 20^o. What is the size of < PRS?

A.

45^o

B.

35^o

C.

40^o

D.

30^o

E.

42^o

View answer & explanation

Correct answer is D

PSR = 65^o x 2

= 130^o

PRS = 180^o - (130^o + 20^o)

= 30^o

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