Math & Science100% Free Tool

Free Right Triangle Hypotenuse Calculator Online

Calculate the exact hypotenuse of a right triangle given side lengths a and b with radical root forms and complementary angle checks. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Algebraic & Polynomial Solverax² + bx + c = 0
Roots of Equationx₁ = 3.000, x₂ = 2.000
Discriminant (Δ)1
Parabola Vertex(2.50, -0.25)
Axis of Symmetryx = 2.50

How It Works

1

Enter Leg a & Leg b

Input lengths of the two perpendicular sides.

2

Evaluate c = √(a² + b²)

Calculates hypotenuse length.

3

Copy Measurements

Review exact value, angles, and area.

Frequently Asked Questions

Yes, if you know angle θ and adjacent side a, c = a / cos(θ).

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