Right Triangle Calculator
Solve hypotenuse, area, perimeter, and angle from two legs.
Hypotenuse
5
Area
6
Perimeter
12
Angle A
36.87 deg
Formula
c = sqrt(a^2 + b^2), area = a x b / 2.
The right triangle calculator uses the Pythagorean theorem and trigonometry to solve common right triangle values.
How to Use
The right triangle calculator uses the Pythagorean theorem and trigonometry to solve common right triangle values. Enter the Leg A and Leg B values and review the Hypotenuse, Area, Perimeter, and Angle A outputs after you calculate.
- Open the calculator : Start with Right Triangle Calculator.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the Right Triangle Calculator use?
c = ?(a^2 + b^2), area = a x b / 2.