Theorem no. 19

Forfatterfersie 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.

Nye Materialer

Area of a Circle Illustrated
The Gardener's Ellipse
bewijs stelling van Pythagoras
Perimeter of Rectangle
Regular Polygons and Equivalent Triangles

Opdag Ressourcer

Kredittilgung
Center of Circle Construction - Andy Mollett
sample
Skew Lines
Altitudes in a Triangle (Orthocenter)
Volume Similarity

Udforsk emner

Integralregning
Randomiserede variables
Ubestemte Integral
Polygoner
Division