Question

a quadrilateral in which all the sides are equal and each of its interior angle is 90 degree is called a​

Answer 1

A quadrilateral in which all the sides are equal and each of its interior angle is 90 degree is called a square .

$\huge\red\bigstar$ Additional information of square

$\sf\purple{1)}$ Square has four sides .

$\sf\orange{2)}$All four sides are of same length .

$\sf\green{3)}$ All four angles are right angles ( 90°) .

$\sf\red{4)}$ All opposite sides are parallel .

$\sf\red{5)}$ A square is a parallelogram .