Question

- In given figure, O is the centre of the circle and angle bod is equal to 170 degree fing angle bcd and angle def. ​

Answer 1

Answer:

∠BCD=95°  ∠DEF=85°

Step-by-step explanation:

∠BCD=1/2 reflex angle of BOD=1/2×190°(cyclic quadrilateral property)

∠BCD=95°

∠BAD=1/2×∠BOD(cyclic quadrilateral property)

∠BAD=85°

∠DEF=∠BAD=85°(cyclic quadrilateral property)

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