Surface Area: Octagon | SchoolsWorld

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Surface Area: Octagon

Description

Show the process of calculating the area of an octagon with a real-life example to start a lesson on geometry and measures, with this classroom resource for Key Stage 3 maths.

Using an octagonal shape found in a shopping mall, this video demonstrates to secondary pupils how to work out its area using a variety of methods, some of which can also be applied to any regular polygon.

This engaging way of presenting different methods for calculating the area of shapes is suitable for use with Year 7 to Year 9.

Part of the series: Secondary Lesson Starters

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