📐 Right Triangle Calculator
Free online right triangle solver. Enter any two sides to calculate the third side, both acute angles, and area.
Known values:
📐 Formulas
Pythagorean theorem: c² = a² + b²
sin A = a/c, cos A = b/c, tan A = a/b
Area = (a × b) / 2
Acute angles are complementary: ∠A + ∠B = 90°