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CP756 Coordinate Geometry: Perpendicular Line

Find the equation of the line through (2, -1) perpendicular to the line 5x – 2y +6 = 0.


CP757 Modifying Labels of Objects

How to change the labels of any Geometry object using the annotation tool – eg change triangle ABC to triangle PQR.


CP770 Apply Matrix Transformation

Create a triangle in Geometry, apply a matrix transformation to the vertices in Main and view the image back in Geometry.


CP771 Find Transformation Matrix

Use an object and its transformed image in Geometry to determine the equivalent transformation matrix in Main.


CP780 Animation Basics

Fast track your animation skills by animating a tangent line around a circle.


CP781 Angle in a Semi-Circle 2

Examine the angle in the semi-circle using a slider.


CP782 Angle in a Semi-Circle 3

Examine the angle in the semi-circle using the Animation tool.


CP630 File Management

Lock, Unlock, Delete, Move Folder and Rename eActivities. Also create a new folder.


CP740 Diameter of a Circle

Draw a circle and construct a diameter.


CP631 Add Strip Help

Strip Help is a great way to add hints on what to do within any strip in an eActivity.