Theorem no. 19

作成者:fersie t. ramirez

theorem no. 19 Three circles whose centers are A, B, C respectively are tangent externally, pair by pair, at D, E, F. Prove that the inscribed circle of the triangle ABC is the circumscribed circle of the triangle DEF.

新しい教材

רישום חופשי
Circle Passing Through 3 Points
Reflection across a line
Prism Drawn in 1-Point Perspective
Equation of Locus - Parabola

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Nirode Quads from Quads Ex 7
Math test: 10
circles
Puzzle
TestPage2

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