Pythagorean Theorem Calculator
Pythagorean Theorem Calculator
Find the length of any side of a right-angled triangle.
A
B
C
Leg
Length of Missing Side
0
What is the Pythagorean Theorem?
The Pythagorean Theorem states that in a right-angled triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.
The mathematical formula is: a² + b² = c². This theorem is fundamental in geometry, construction, navigation, and architecture.
Frequently Asked Questions
Can I use this for any triangle?
No. The Pythagorean theorem only works for Right-Angled Triangles (triangles where one angle is exactly 90 degrees).