Math, asked by navneet12148, 17 days ago

In the given figure, O is the center of a circle and ZAOC = 120°. Then, LBDC = C 120 A B

Answers

Answered by NotDran
0

Answer:

ANSWER:

( c ) 30°

∠COB = 180° - 120° = 60° (Linear pair)

Now, arc BC subtends ∠COB at the centre and ∠BDC at the point D of the remaining part of the circle.

∴ ∠COB = 2∠BDC

⇒ ∠BDC=1/2∠COB=1/2×60°=30°

Step-by-step explanation:

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