I taught my E-Math class on  ‘How to Construct Angle and Perpendicular Bisector’, a skill learnt in lower Secondary and forgotten by many Secondary fours.

You must know the steps. I’m so glad that when I found something really useful which shows the step-by-step. It’s like a ‘live demo’.

You must definitely check out this website on construction:

Angle Bisector: http://www.mathopenref.com/constbisectangle.html

Perpendicular Bisector: http://www.mathopenref.com/constbisectline.html

On top of these 2 skills, I suggest the following as well which could be tested together in a question.

• Concepts of bearing
• Angle properties of Circle
• Construction of quadrilaterals
• Special properties of quadrilateral eg Do you know the diagonals of a kite intersect at 90 degrees?

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