Tangential Triangle
The Triangle 
formed by the lines tangent to the Circumcircle of a given Triangle
at its Vertices. It is the Pedal Triangle of withthe Circumcenter as the Pedal Point. The Trilinear Coordinates of the Vertices of the tangential triangle are
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The Contact Triangle and tangential triangle are perspective from the Gergonne Point.See also Circumcircle, Contact Triangle, Gergonne Point, Pedal Triangle,Perspective
- Brent's Factorization Method
- Brent's Method
- Bretschneider's Formula
- Brianchon Point
- Brianchon's Theorem
- Brick
- Bride's Chair
- Bridge Card Game
- Bridge (Graph)
- Bridge Index
- Bridge Knot
- Bridge Number
- Bridge of Königsberg
- Brill-Noether Theorem
- Bring-Jerrard Quintic Form
- Bring Quintic Form
- Brioschi Formula
- Briot-Bouquet Equation
- Brocard Angle
- Brocard Axis
- Brocard Circle
- Brocard Diameter
- Brocard Line
- Brocard Midpoint
- Brocard Points