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Convex / Concave Lens
Author:
Jonathan Mok
This is an applet that allows you to explore how an image of a near object is formed by a convex / concave lens. - Drag to move the object and the focus - Shift + drag to move the sheet - Shift + roll to zoom
GeoGebra
New Resources
Slope of a Straight Line: Run and Rise
History of Maths
Rotating Points (Optical Illusion)
Limaçon / Cardioid as a Locus - A Classical Construction
van Aubel's Theorem
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Unit 10 Sketch
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Exponential and Logarithmic Functions
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Logic
Conditional Probability
Geometric Transformations
Equilateral Triangles
Ratios