Circumference and perimeter of a sector
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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?
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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
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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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