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Catriona Shearer: Triangle and Semicircle
Author:
John Golden
Topic:
Angles
,
Area
Another delightful puzzle, with a surprising (to me) relation. From:
Catriona Shearer on Twitter
GeoGebra
New Resources
Poorly Drawn Parallelograms 2
Tutorial: Create lists of numbers and objects
Average Rate of Change: Graph a Function (2)
alg2_05_05_01_applet_exp_flvs
Poorly Drawn Parallelograms 3
Discover Resources
Equation of a circle
Fibonacci
Trigonometric equation of sinx=b and cosx=a
FlackM_Geo10.5
Demo: slider with π increment
Discover Topics
Root
Quadratic Functions
Ellipse
Geometry
Congruence