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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
Flip 9 Coins
bewijs stelling van Pythagoras
Basic Percent Exercises (V1)
Flip 4 Coins
Balls in an Urn
Discover Resources
Percent Estimate 4
مركز الابعاد المتناسبة في المستوي - المدرس شادي سمعان
Sine(A+B)
Proving Pythagoras Theorem
Circle Theorems
Discover Topics
Bar Chart or Bar Graph
Cube
Limits
Arithmetic
Division