GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3)

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*** WHAT'S COVERED ***
1. Defining Sectors and Arcs.
* Minor and major sectors explained.
* Minor and major arcs explained.
2. Calculating the Area of a Sector.
* Introducing the formula.
* Understanding the formula as a fraction of the total circle area.
3. Calculating the Length of an Arc
* Introducing the formula.
* Understanding the formula as a fraction of the total circle circumference.
4. Applying the Formulas

*** EXAM BOARD INFO ***
This video is suitable for maths courses around the world.
KS3 - Not on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course
A-level - All on your course

*** CHAPTERS ***
0:00 Intro: What are Sectors and Arcs?
0:39 Area of Sector & Arc Length Formulas
1:08 Understanding the Formulas (Fraction of a Circle)
2:10 Example 1: Calculating Area & Arc Length
2:44 Using Angle/360 for Any Sector
3:29 Example 2: Calculating Area & Arc Length
3:55 Exam Question Example

*** PLAYLISTS ***










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