GCSE Secondary Maths Age 13-17 - Geometry & Measures: Perimeter - Explained

The video tutorial explains how to calculate the perimeter of an 8-sided shape made from rectangles and congruent right-angled triangles. It involves understanding the diagram, calculating triangle lengths using Pythagoras' theorem, and summing the lengths to find the perimeter. The tutorial also covers the marking scheme, emphasizing the importance of using Pythagoras and avoiding common mistakes like calculating the area instead of the perimeter.

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