Right Triangle Calculator
Calculate all properties of a right triangle including sides, angles, area, perimeter, and more.
Right Triangle Properties
Formulas
- Pythagorean Theorem: a² + b² = c²
- Area: A = (a × b) / 2
- Perimeter: P = a + b + c
- Inradius: r = (a + b - c) / 2
- Circumradius: R = c / 2
Properties
- One angle is exactly 90°
- The hypotenuse is the longest side
- The hypotenuse is opposite to the right angle
- The sum of the other two angles is 90°
Note: A right triangle is a triangle with one angle equal to 90 degrees. The side opposite to the right angle is called the hypotenuse.
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