Triangle Calculator

Calculate triangle area, perimeter, angles, and missing sides

Side A

Side B

Side C

Side A

Angle C (degrees)

Side B

Angle A (degrees)

Side C

Angle B (degrees)

Side A (leg)

Side B (leg)

Hypotenuse C

All sides equal (3, 3, 3)

Two sides equal (5, 5, 6)

All sides different (3, 4, 5)

90-degree angle (3, 4, 5)