Question

Assertion (A): The sum of either pair of opposite angles of a cyclic quadrilateral is 180o. Reason(R): Two or more circles are called concentric circles if and only if they have different centre and radii. Which of the following is correct?
(a) Both assertion (A) and reason (R) are true and reason (R) is a correct explanation of assertion (A)

(b) Both assertion (A) and reason (R) are true but reason (R) is not a correct explanation of assertion (A)

(c) Assertion (A) is true and reason (R) is false

(d) Assertion (A) is false and reason (R) is true. ​

Answer 1

Answer:

option c

Step-by-step explanation:

as the reason is incorrect because two concentric circles have same center but different radius

Answer 2

Answer:

option c

Step-by-step explanation:

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