Diagonal

Calculates rectangle or square diagonal length: d = √(a² + b²).

Diagonal d

5,00

d = √(a² + b²)

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Formula

rectangle diagonal d = √(a² + b²)

Example: a = 3, b = 4 → d = 5

Methodology

Rectangle diagonal d = √(a² + b²). For a square d = a√2.

Example

Rectangle 6×8 m: d = √(36+64) = 10 m.

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