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Sylvester's Four-Point Problem in a Square
Author:
Steve Phelps
Topic:
Square
,
Stochastic Process or Random Process
Place 4 points randomly in a square. How likely is it that the points will be the vertices of a convex quadrilateral (a convex hull which is a quadrilateral?)
GeoGebra
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
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Exploring Simple Loci 探究簡單軌跡
Construct a Conic
Droste effect draft
Discover Resources
Square roots through 2500 - exact values
Preface page
Fahey GeoGebra Project
คณิตคิดเร็ว
Rolle's theorem
Discover Topics
Perimeter
Subtraction
Secant Line or Secant
Quadratic Functions
Piecewise Functions