Ball Triangle Picking
The determination of the probability for obtaining an Obtuse Triangle by picking 3 points at random in the unitDisk was generalized by Hall (1982) to the 
-D Ball. Buchta (1986) subsequently gave closed formevaluations for Hall's integrals, with the first few solutions being
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The case
corresponds to the usual Disk case.See also Cube Triangle Picking, Obtuse Triangle
References
Buchta, C. ``A Note on the Volume of a Random Polytope in a Tetrahedron.'' Ill. J. Math. 30, 653-659, 1986. Hall, G. R. ``Acute Triangles in the -Ball.'' J. Appl. Prob. 19, 712-715, 1982.
- Pear-Shaped Curve
- Pearson-Cunningham Function
- Pearson Kurtosis
- Pearson Mode Skewness
- Pearson's Correlation
- Pearson's Function
- Pearson Skewness
- Pearson's Skewness Coefficients
- Pearson System
- Pearson Type III Distribution
- Peaucellier Cell
- Peaucellier Inversor
- Peaucellier's Linkage
- Pedal
- Pedal Circle
- Pedal Coordinates
- Pedal Curve
- Pedal Line
- Pedal Point
- Pedal Triangle
- Peg Knot
- Peg Solitaire
- Peg Top
- Peirce's Theorem
- p-Element