Compass & Straight Edge

Compass & Straight Edge

(and Angles)

1. Angles-Introductory Terms
In this video, Teacher Jon introduces the basic terms students need for the study of Angles. Video Lesson: Download Worksheet
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2. Easy Angle Problems
In this lesson, Teacher Jon provides some easy angle problems, for Lower Secondary Maths students, but a basic knowledge of
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3. The World’s Two Hardest Easy Geometry Problems
In this video, Teacher Jon sets out how to solve these two well known geometry problems using only isosceles, equilateral
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4. The World’s Hardest Easy Geometry Problem #3
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5. The Centre of a Triangle
Using a compass and straight edge, we find the four traditional centres of a triangle : i.e. the incentre, the
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