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Copy of Triangular Numbers
Author:
Edmond So
,
Gareth Daniels
Use the input box to choose a value for
n
.
GeoGebra
Try to work out a formula to find the number of red circles in the
n
th pattern.
GeoGebra
New Resources
Number Puzzle
seo tool
Approximating the Length of Curves in 3D
Pythagorean theorem illustration
Solve System Starter: Elimination
Discover Resources
Alec_Goethel_Qtr1project_01 (12 October 2016)a
Reflect about a circle
Apex Section 5.4-Part 2 of Fundamental Theorem of Calculus
Daniel M HEXAGON (Work in process)
calcul couleur
Discover Topics
Trigonometry
Scalene Triangles
Coordinates
Vectors 2D (Two-Dimensional)
Plane Figures or Shapes