A video explaining how to find the area and cicumference of a circle. We also cover semicircles and quarter circles and giving answers in terms of pi. This is suitable for both higher and foundation GCSE.
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0:00 Intro
0:10 The radius and the diameter
0:59 The circumference of a circle
2:36 Finding the circumference examples
5:04 Finding the area of a circle examples
7:42 Leaving answers in terms of pi
9:08 Area of semicircles and quarter circles
10:58 Perimeter of semicircles and quarter circles
13:04 Leaving answers in terms of pi
14:58 Worded example 1
16:36 Worded example 2
17:57 Shaded region in terms of pi example
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