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Proof that the area of a triangle = 1/2 base x height.
illustrations, illustration, science, triangle, shape, angle, Euclidean, congruence, geometry, geometrics, geometrical, mathematics, mathematical, congruent, proof, Pythagoreans, horizontal
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Keywords: 1/2, =, angle, area, base, congruence, congruent, euclidean, geometrical, geometrics, geometry, hei, height., horizontal, illustration, illustrations, mathematical, mathematics, proof, pythagoreans, science, shape, triangle