Chapters

Introduction

Lea

Recap of past learning

The parts of a circle

Finding the circumference of a circle

Example: Finding the circumference of a circle

Finding the arc length of a circle

Example: Finding the arc length of a circle

Using arc length to find the perimeter of a sector

Exact and Decimal: Is there much more working out needed?

More examples

Summary

Circumference and perimeter of a sector

Measurement (Year 9)

Year 9

This video continues the Year 9 series on Using Units of Measurement looking at the Circumference and Perimeter of a sector. Building on the work covered in a previous video (and content from the previous years), I look at how to find the circumference of a whole circle, the arc length of a circle and how to use the information to then go on and find the perimeter of a sector. There are lots of worked examples all explained clearly with theory. There is even some humour thrown in at times too. I pride myself on the easy to understand way I present my videos and would love to hear your feedback!

Published: Aug. 7, 2020

Length: 17 mins and 16 seconds

Lesson notes

Lesson notes are provided in PDF format and can be downloaded by clicking the link below:

Exam resources

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Video tags

maths tutorials
year 9 maths
grade 9 maths
using units of measurement
measurement and geometry
measurement
geometry
circumference of a circle
perimeter of a sector
circumference and perimeter of a sector
how to find the perimeter of a sector
arc length
how to find arc length

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Where videos relate to VCE and I have used VCAA questions the following should be noted:

VCE Maths exam question content used by permission, ©VCAA. The VCAA is not affiliated with, and does not endorse, this video resource. VCE® is a registered trademark of the VCAA. Past VCE exams and related content can be accessed at www.vcaa.vic.edu.au