In the diagram above, PQ is the tangent to the circle RST at T.|ST| = ST and ∠RTQ = 68o. Find ∠PTS
A.
68o
B.
62o
C.
61o
D.
56o
E.
34o
Correct answer is D
∠TSR = 68o ∴ STR =
180-682
= 56oPTS= 180-(68+56) = 56o