Math

Easily solve any triangle with our Triangle Calculator! Find unknown sides, angles, area, perimeter, height, medians, and more —with step-by-step solutions.

Easily solve any isosceles triangle with our Isosceles Triangle Calculator! Find missing sides, angles, area, perimeter, or height—with clear, step-by-step solutions.

Solve any right-angled triangle in seconds with our Right Triangle Calculator! Find missing sides, angles, area, perimeter, or altitude—with clear, step-by-step solutions.

Use our Hypotenuse Calculator to find the hypotenuse, sides, angles, area, perimeter, or altitude of any right triangle—just enter any two known values for instant results!

Easily calculate the area, missing sides, angles, perimeter, or height of any right triangle with our Area of a Right Triangle Calculator— with solutions!

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

Find the area of any triangle with our Heron’s Formula Calculator! Just enter the side lengths—no need for height or angles—and get instant results with steps.

Use our Circumscribed Circle Calculator to find the inradius, circumradius, diameter, circumference, and area of the circumcircle—just from side lengths.

Classifying Triangles Calculator instantly identifies the type of triangle—based on side lengths or angles—with clear, step-by-step solutions!

Quickly verify right triangles with our Pythagorean Triples Calculator! Enter any three side lengths to check for a valid Pythagorean triple—with explanations.