Is quadrilateral ABCD a parallelogram?
I. Its opposite sides are equal.
II. Its opposite angles are equal.
The correct answer is : (a) /(b)/(c )/(d).

Options

A. if the question can be answered by one of the given statements alone and not by the other,
B. if the quesiton can be answered by either statement alone,
C. if the question can be answered by both the statements together but not by any one of the two,
D. if the question cannot be answered by using both the statements together.

Answer

B

Explanation

We know that a quadrilateral ABCD is a parallelogram when either of I and II holds.
So, the correct answer is (b).