Math calculator
Pythagorean Theorem Calculator
Find the hypotenuse, area, and perimeter of a right triangle from two legs.
Formulac = sqrt(a^2 + b^2)
Formula
Pythagorean theorem
c = sqrt(a^2 + b^2)
Legs 3 and 4 give hypotenuse 5.
FAQ6 common questions for this calculator.
FAQs
Does this work for any triangle?+
No. It assumes a right triangle.
What are a and b?+
They are the two legs that meet at the right angle.
How does the Pythagorean Theorem Calculator calculate the result?+
For the Pythagorean Theorem Calculator, it uses the Pythagorean theorem: c = sqrt(a^2 + b^2). Legs 3 and 4 give hypotenuse 5.
What information do I need to use the Pythagorean Theorem Calculator?+
For the Pythagorean Theorem Calculator, enter two legs. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.
How accurate is the Pythagorean Theorem Calculator?+
Pythagorean Theorem Calculator is mathematically reliable for the entered values and selected operation. It follows the Pythagorean theorem. Rounding, order of operations, and undefined cases can still affect interpretation.
What should I check before using the Pythagorean Theorem Calculator result?+
For the Pythagorean Theorem Calculator, check two legs, operation order, rounding precision, and undefined cases before using the result. Compare one changed value at a time when testing scenarios.
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Math guide
How to use the Pythagorean Theorem Calculator
Find the hypotenuse, area, and perimeter of a right triangle from two legs. The page also explains the pythagorean theorem and shows a practical example: Legs 3 and 4 give hypotenuse 5.
- 1
Enter your details
Enter two legs, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the pythagorean theorem: c = sqrt(a^2 + b^2).
- 3
Compare scenarios
Change one or more inputs to see how they affect the pythagorean Theorem Calculator result before you use the estimate.