📏 Right Triangle Calculator
Solve a right triangle: enter any two sides to find the third side, angles, and area.
Right Triangle Properties
A right triangle has one 90° angle. The side opposite the right angle is the hypotenuse (c), and the other two sides are the legs (a and b). The Pythagorean theorem states a² + b² = c². Angles are found using inverse trigonometric functions.
Trigonometric Relationships
In a right triangle: sin(A) = opposite/hypotenuse, cos(A) = adjacent/hypotenuse, tan(A) = opposite/adjacent. These ratios are the foundation of trigonometry and are used in navigation, physics, engineering, and architecture.
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