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Right Triangle

Optimized for the common case: enter A and B to compute C.

No units. Everything runs locally in your browser.

Calculate

Legs A and B form the right angle. Hypotenuse is C.

Mode: A + B → C

One of the perpendicular sides

The other perpendicular side

Hypotenuse C
Computed as √(A² + B²)
C = —

Details

Angle α
Opposite B
Angle β
Opposite A
Area
A·B / 2
Perimeter
A + B + C
Altitude to C
A·B / C
Inradius
(A + B − C) / 2
Circumradius
C / 2

Tip: decimals accept “.” or “,”