A FEW NON-ELEMENTARY GEOMETRICAL PROOFS

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A FEW NON-ELEMENTARY GEOMETRICAL PROOFS

Posted on April 4, 2026April 7, 2026 by ssmrmh

THE AREA OF TRIANGLE, THE AREA OF THE PARALLELOGRAM

VOLUME OF THE CUBE, VOLUME OF THE RIGHT PARALLELIPIPED, VOLUME OF THE PARALLELIPIPED, VOLUME OF THE TETRAHEDRON

PERPENDICULAR LINE ON THE REAL PLAN

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RMM

Romanian Mathematical Magazine

The Romanian Mathematical Magazine appears in four editions: Spring, Summer, Autumn and Winter. Each issue contains proposed problems for juniors, seniors, undergraduates and math articles.

We are glad to publish in RMM author’s problems and articles from all over the world.

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