Two chords AB and CD of a circle with ce...

Two chords AB and CD of a circle with centre O intersect each other at the point P. If ∠AOD =20° and ∠BOC = 30°, then ∠BPC is equal to?

`25^@`

`40^@`

`90^@`

`105^@`

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UNITED BOOK HOUSE-Theorem related to Angle in a Circle-Exercise

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