The Square — Complete Interactive Guide

Vertical line: left half mirrors right half.
Horizontal line: top half mirrors bottom half.
Diagonal AC: triangle ABC mirrors triangle ADC.
Diagonal BD: triangle ABD mirrors triangle CBD.

Learn square properties, perimeter, area, diagonals, symmetry, classification, exam shortcuts, and quiz practice through clean visual teaching.

All sides equalAll angles 90°4 symmetry linesDiagonal = a√2