How is a square different from a rectangle?

Square: all 4 sides equal, all angles 90°. Rectangle: opposite sides equal, all angles 90°.

What's the diagonal of a 5×5 square?

Diagonal = 5 × √2 ≈ 7.07 units.

Area measures 2D space. 5×5 square = 5 units wide × 5 units tall = 25 square units.

Mathematics

A = s² | P = 4s | d = s√2

Side Length (s)

Mathematically verified

Reviewed October 2026

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