# Ratio of triangles areas

In an equilateral triangle ABC, the point T is its centre of gravity, the point R is the image of the point T in axial symmetry, along the line AB, and the point N is the image of the point T in axial symmetry along the line BC. Find the ratio of the areas of the triangles ABC and TRN.

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Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

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