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Byju's Answer
Standard IX
Mathematics
Sum of Opposite Angles of a Cyclic Quadrilateral
In the given ...
Question
In the given figure, O is the centre of a circle in which
∠AOC = 100°. Side AB of quad. OABC has been produced to D. Then, ∠CBD = ?
(a) 50°
(
b
) 40°
(
c
) 25°
(d) 80°