Geometry and trigonometry

Pythagorean theorem

In a right triangle, the square of the hypotenuse equals the sum of the squares of the two shorter sides.

Common notation a²+b²=c²

In one sentence

What does Pythagorean theorem mean?

In a right triangle, the square of the hypotenuse equals the sum of the squares of the two shorter sides.

How it is written

a²+b²=c²

A compact example

Sides 3 and 4 produce hypotenuse 5 because 9+16=25.

Other names and search terms

Pythagoras theorem.

Clear answers

Questions about Pythagorean theorem

What does Pythagorean theorem mean in mathematics?

In a right triangle, the square of the hypotenuse equals the sum of the squares of the two shorter sides.

How is Pythagorean theorem written?

A common notation is a²+b²=c².

What is an example of Pythagorean theorem?

Sides 3 and 4 produce hypotenuse 5 because 9+16=25.