Question

how to prove a squar​

Answer 1

Answer:

if u find it one angle is 90° then it will prove that it is a square...

Answer 2

How to Prove that a Quadrilateral Is a Square

If a quadrilateral has four congruent sides and four right angles, then it's a square (reverse of the square definition).If two consecutive sides of a rectangle are congruent, then it's a square (neither the reverse of the definition nor the converse of a property).