Right Triangle Calculator - Trigonometry

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Right Triangle Calculator

Solve any right triangle in real time. Adjust a side, enter an angle, or drag the control point to explore the geometry visually.

Drag to calculateLive geometry
A B C a b c

Triangle values

Enter a measurement in any orange field. In an instant, every other value is recalculated.

Value Measurement

How to use the calculator

1

Drag the orange pointMove it along the base to change the triangle and see every value update live.

2

Type a measurementSelect any orange field and enter a side length or acute angle.

3

Fine-tune with keysFocus the orange point and use the arrow keys for precise one-degree adjustments.

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