# Find the diagonal of a square whose side is 10 cm. - Geometry

Sum

Find the diagonal of a square whose side is 10 cm.

#### Solution

Side of a square = 10 cm.

Diagonal of a square = sqrt2 × side of a square

= sqrt2 × 10

= 10 sqrt2

∴ The diagonal of a square is 10 sqrt2 cm

Concept: Circumference of a Circle
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