Outline
Circles, angles and chords
This is a series of applets for exploring circle properties, usually covered in senior secondary years.
Table of Contents
angle proportional to arc
angles at circumference
concyclic points
tangents
proof and explanation
equidistance
exercise / problem
circular geoboards
- circular 9 dots template
- circular 10 dots template
- circular 12 dots template
- circular 18 dots template
- circular pattern 9a
- circular pattern 9b
- circular pattern 9c
- circular pattern 9d
- circular pattern 9e
- circular pattern 9f
- circular pattern 9g
- circular pattern 12a
- circular pattern 12b
- circular pattern 12c
- circular pattern 12d
- circular pattern 12e
- circular pattern 12f
- circular pattern 12g
- explore 3 fold symmetry in 12 dots pattern
links