GCSE Secondary Maths Age 13-17 - Geometry & Measures: Perimeter - Explained
Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the process of finding the length of the straight edge in the triangle.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What common mistake did many students make when solving this problem?
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