Right Triangle Calculator
Enter any two known sides of a right triangle to solve for the third side, both acute angles, area, and perimeter.
Known sides
Leave the unknown side blank. Fill in exactly two of the three sides.
Leg a:
Leg b:
Hypotenuse c:
Angle A (opposite a):
Angle B (opposite b):
Angle C: 90°
Area:
Perimeter: