Triangle Area Calculator

Calculate the area of a triangle using A = ½bh. Enter the base and height to see full step-by-step work with your values. Also covers Heron's formula for when all three side lengths are known.

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Degrees to Radians Converter

Convert degrees to radians or radians to degrees instantly. See the formula applied step-by-step. Includes a reference table of all common unit circle angles. Free, no sign-up.

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Law of Cosines Calculator

Find any side or angle of a triangle using the Law of Cosines. Enter SAS to find the missing side, or SSS to find all angles. Full solutions with formulas shown. Free tool.

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Law of Sines Calculator

Solve oblique triangles with the Law of Sines. Enter AAS, ASA, or SSA values and see full results for all sides and angles. Ambiguous case handled automatically. Free calculator.

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