Measurement, scale and similarity
General Maths Units 1 and 2 (2023+)
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This is the next video in the Year 11 General Maths (Units 1 and 2) VCE course for measurement, scale and similarity. In a previous video we looked at finding areas and circumferences of circles. Now we are going to look at arc lengths and areas of sectors. This is really finding the length of a small section of the circumference as well as finding the area of a pie slice. I use a lot of examples to explain the theory behind the mathematics and make sure the explanations are easy to understand. Notes are downloadable from www.maffsguru.com
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length of an arc
area of a sector
length of an arc and area of a sector
finding the area of a pie slice
finding the perimeter of a sector