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Right Triangle Calculator

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Right Triangle Calculator | Solve Angles & Sides Instantly
Use our right triangle calculator to solve sides and angles instantly. Simply enter two known values. Then get the remaining sides and angles. It's fast, accurate, and free.

This tool helps in geometry and trigonometry. Moreover, it saves time for complex calculations. Also, it reduces human errors. Therefore, results are reliable and quick.

Furthermore, the calculator is user-friendly. Just input two sides. Then click calculate. Instantly, get the missing side and angles. Additionally, it shows angles in degrees.

Similarly, it is useful in construction. For example, roof framing and stair building. Also, in navigation and physics. Hence, it has multiple applications.

Specifically, students find it helpful. Especially for homework problems. Teachers also recommend it. Consequently, learning becomes easier.

Finally, professionals use it daily. Architects and engineers rely on it. Surveyors need precise calculations. Thus, it's an essential tool.

Right Triangle Calculator

Enter any two values to calculate

Right Triangle Formulas

B |\ | \ | \ A | \ C | \ |_____\ A B C
Pythagorean Theorem
C² = A² + B²

This fundamental formula relates all three sides. Specifically, the square of hypotenuse equals the sum of squares of the other sides. Therefore, it's essential for calculations.

Trigonometric Ratios
sin(θ) = Opposite / Hypotenuse
cos(θ) = Adjacent / Hypotenuse
tan(θ) = Opposite / Adjacent

These ratios connect angles with sides. Moreover, they enable angle calculations. Consequently, they complete the triangle solution.

Angle Calculation
Angle α = arctan(Opposite/Adjacent)
Angle β = 90° - α

These formulas derive acute angles. First, calculate one angle using arctan. Then, find the other by subtraction.