Math

Right Triangle Calculator helps find any unknown side, angle, area, perimeter, or altitude in a right-angled triangle—along with step-by-step calculations.

Calculate the hypotenuse, sides, angles, area, perimeter, altitude of a right-angled triangle using our Hypotenuse Calculator. Just input any two known values.

Calculate the area, missing sides, angles, perimeter, or altitude of any right triangle quickly with solution with the Area of a Right Triangle Calculator.

Perimeter of a Triangle Calculator finds the triangle’s perimeter using given side lengths or angles, showing the complete calculation process.

Heron’s Formula Calculator finds the triangle’s area using only its side lengths, showing the complete calculation process without needing height or angles.

Circumscribed Circle Calculator finds Inradius, Circumradius, Circumcircle Diameter, Circumference, Circumcircle Area, from side lengths with clear results.

Use our Classifying Triangles Calculator to instantly determine the type of triangle based on three given values—whether side lengths or angles—with clear, step-by-step explanations using geometric rules and triangle theorems.

Use our Pythagorean Triples Calculator to instantly check whether three given side lengths form a valid right triangle—by applying the Pythagorean Theorem—with clear, step-by-step explanations.