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E-Math: How to Construct Angle and Perpendicular Bisector 'Live Demo'


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?

Ai Ling Ong

Hi, I'm Ai Ling Ong. I enjoy coaching students who have challenges with understanding and scoring in 'O' Level A-Maths and E-Maths. I develop Math strategies, sometimes ridiculous ideas to help students in understanding abstract concepts the fast and memorable way. I write this blog to share with you the stuff I teach in my class, the common mistakes my students made, the 'way' to think, analyze... If you have found this blog post useful, please share it with your friends. I will really appreciate it! :)

Filed Under: E-Maths Tagged With: angle bisector, perpendicular bisector

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Comments

  1. sadna says

    May 21, 2010 at 12:05 am

    interested in buying additional maths book paper wise

  2. Sarah says

    June 20, 2010 at 6:19 pm

    Hey thanks for this it is really informative and helpful

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