📐Pythagorean Theorem Calculator
Solve for any side of a right triangle using the Pythagorean theorem.
Enter any two sides. Leave the unknown side blank.
Enter two values above to calculate the third.
About Pythagorean Theorem Calculator
Solve the Pythagorean theorem (a² + b² = c²) for any unknown side of a right triangle. Enter any two sides to instantly calculate the third. Also displays the triangle's angles, perimeter, and area. Perfect for geometry homework, construction projects, and engineering calculations.
How to Use Pythagorean Theorem Calculator
- 1
Enter two sides
Input the values for any two sides of the right triangle — label them as legs (a, b) or hypotenuse (c).
- 2
Calculate
Click Calculate to find the missing side, angles, perimeter, and area.
- 3
Review results
View all three sides, angles in degrees, perimeter, and triangle area.
Common Use Cases
- Solving right-triangle geometry homework
- Calculating diagonal distances in construction and carpentry
- Determining ramp or roof slope dimensions
- Computing distances in coordinate geometry
Frequently Asked Questions
Which sides can I solve for?
Does it also calculate the angles?
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