AQA · Mathematics · 8300
GCSE Maths: Area: compound shapes
Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Area: compound shapes (Corbettmaths Video 41), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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What is a compound shape?
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A shape made up of two or more simpler geometric shapes (such as rectangles, triangles, circles) combined together.
How do you calculate the area of a compound shape?
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Break it down into simpler shapes, calculate each area separately, then add them together (or subtract if a shape is cut out).
What is the formula for the area of a rectangle?
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Area = length × width
What is the formula for the area of a circle?
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Area = πr² (where r is the radius)
What is the formula for the area of a trapezium?
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Area = ½(a + b)h, where a and b are the parallel sides and h is the perpendicular height between them.
If a circle has diameter 8 cm, what is its radius?
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4 cm. The radius is half the diameter.
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