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WT-021
CALCULATORS / LOCAL UTILITY

Pythagorean Theorem Calculator

Solve a missing side of a right triangle with a² + b² = c² and show the work.

GEOMETRY
LOCAL NO DATA SENT
RIGHT TRIANGLE BENCHA² + B² = C²
SIDESCHOOSE THE MISSING SIDE
A = 3B = 4C = ?
ANSWERUse the theorem to solve the missing side of a right triangle.
STEPSSUBSTITUTE / SQUARE / ROOT
READYChoose the unknown side and enter the other two.

LOCAL TOOL: Triangle calculations stay entirely in your browser.

FIELD NOTE / 021

The hypotenuse is the side opposite the right angle.

For a right triangle, a² + b² = c². Solving for c means adding the squares of the two legs and taking a square root. Solving for a leg means subtracting the other leg's square from c² before taking the square root.