guys please help it really so urgent please question in the picture its answer is 130 na
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guys please help it really so urgent please question in the picture its answer is 130 na
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Answer:
OCD=130°
Explanation:
Extend line from C to a point E
such that point E lies on line AO
As AB || CD
then AB || ED
Angle OED = Angle OAB [corresponding angles]
=>Angle OED=100°
NOW In ∆ OEC,
by using exterior angle property of ∆
Angle OCD = Sum of angles(AOC + OED)
OCD =30° + 100°
OCD = 130°
SIMPLE
BEST OF LUCK !!!