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

The video tutorial explains how to calculate the proportion of a shaded area within a square. It begins by determining the square's area using its perimeter, then calculates the areas of two triangles within the square. By subtracting the triangle areas from the square's total area, the shaded area is found. Finally, the proportion of the shaded area is calculated as a fraction, which is simplified to 5/8. The tutorial also outlines the marking scheme for the problem, emphasizing the importance of understanding the question's requirements.

What is the total area of triangles A and B combined?

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How do you find the area of the shaded part of the square?

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What is the proportion of the shaded area to the whole square?

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