Question

Which of the following must be a square?

A. A figure whose diagonals are Congruent and meet right angles
B. A figure whose diagonals are congruent and meet at right angles
C. A figure whose sides are parallel and meet at right angles
D. A figure whose sides are congruent

Answer 1

I am pretty sure it is C

Answer 2

Option (B).

Explanation:

A square is a type of quadrilateral in which opposite sides are parallel and equal. All sides of square are equal. The angles of square are equal and each angle is 90°.

Diagonals of square are equal and bisect each other at right angles. Hence, the diagonals are congruent and bisect each other at right angles,

Therefore option (B) is correct.