The correct answer is [C]
-Angle RST = Angle STO = 420
(Alternate angles are equal)
-Since OS = OT, then angle TSO = STO = 420
(Base angles of an isosceles triangle are equal)
42 + 42 + TOV = 1800
(Angles in a triangle add up to 1800)
840+TOV = 1800
TOV = 180-84
= 960
Wilfykil answered the question on July 29, 2019 at 06:56
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