Enter any two sides of a right triangle. Leave one blank, and we'll solve it using a² + b² = c². Includes area and perimeter.
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Fill two inputs (a, b, c). Try Random for fun triples!
Units are generic; results scale linearly.
Sides (a, b, c)
—, —, —
Right triangle check: —
Area
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A = (1/2)·a·b
Perimeter
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P = a + b + c
Angles
—°, —°, 90°
∠A opposite a, ∠B opposite b
Right Triangle Visualizer
Drag sliders below or edit inputs above to change dimensions.
1.0×
Calculations & Formula
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