Enter the two legs (the sides next to the right angle).
0 hypotenuse (c)
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Angle A (opposite a)
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Angle B (opposite b)
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Area
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Perimeter
Frequently Asked Questions
How do you solve a right triangle from its two legs?
The hypotenuse is c = √(a² + b²). Angle A = arctan(a/b) and angle B = 90° − A. The area is ½·a·b and the perimeter is a + b + c.
Solve a right triangle from its two legs: hypotenuse, angles, area and perimeter.