Question

ABCD is cyclic Quadrilateral, If A=50, B=60 find C.​

Answer 1

Answer:

Here ∠BDC=∠BAC=50

∘

since angles in same segment are equal

In △BCD, we have

∠BCD=180

∘

−(∠BDC+∠DBC)

=180

∘

−(50

∘

+60

∘

)

=180

∘

−110

∘

=70

∘

∴∠BCD=70

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