Geometric Construction
Measuring angles Sum of angles of a triangle Visual proof of sum of angles of a triangle Draw a triangle Sum 2 Sides is greater than the 3rd Congruent triangles Summary of congruent triangle proofs Two sides and an included angle One sides and two adjacent angles Three sides Reflective Congruency Basics Basic building blocks Intersecting lines Parallel lines More Construction |
A few Proofs Sum of the angles of a triangle Sum of angles of a polygon The greatest angle and side Distance from a point to a line Parallel lines never meet Similar triangles More sophisticated Proofs Pythagorean Theorem Isosceles Triangle Inscribed angle of a circle Circles Trisect an angle Copyright (c) 2006 Irvin M. Miller |

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