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The Virtual Textbook
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Arcs and Sectors of Circles
The first two sheets of this excel file remind students of terminology associated with circles and the formulae for area and circumference of a circle. The next five sheets deal with finding the arc length as a fraction of the circumference with worked examples of the distance travelled by a swing and the distance moved by the Earth (with simplifying assumptions) over a number of months. The area of a sector formula is illustrated in a similar way. The resource has sets of problems where the formulae need to be used.
There are a further ten sheets of questions on similar topics which may be duplicated for classroom use.
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This program was designed by be viewed on a screen with a resolution of 1024 x 768. Users may have to adjust the resolution of their screen for the pages to display as was originally intended. The program uses macros which need to be enabled on users’ machine.
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Arcs and sectors of circles 1.08 MB
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