Assertion and reason — task. Maths CBSE Live product, Class 9.

Assertion(A): In the given figure, \(O\) is the centre of the circle. If \(∠AOC=100°\), then \(∠ABC=130°\).

Reason(R): In the cyclic quadrilateral, opposite angles are supplementary

Both assertion(A) and reason(R) are true and reason(R) is the correct explanation of assertion(A).
Both assertion(A) and reason(R) are true but reason(R) is not the correct explanation of assertion(A).
Assertion(A) is true but reason(R) is false.
Assertion(A) is false but reason(R) is true.

Did you find an error?

3. Assertion and reason