quadrilateral ABCD is circumscribed to a circle with centre o.if angle AOB = 115, then angle cod is?
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MitheshShankar:
it is wrong
who said sum of vertically opposite angles is equal to 180
and who said that these are vertically opposite angles
i have joined the vertices to centre not created diagonals
do you have ncert class 10
oh yeah it is joined to the center
but still how theta + AOB is 180
Answered by
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∠COD = 65° , if the quadrilateral ABCD is circumscribed to a circle with centre O. ∠AOB = 115°
Step-by-step explanation:
the opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the center of the circle.
=> ∠AOB + ∠COD = 180°
given ∠AOB = 115°
=> 115° + ∠COD = 180°
=> ∠COD = 65°
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