Area - triangles, quadrilaterals, compound shapes
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problem
Favourite
Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?
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problem
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The farmers want to redraw their field boundary but keep the area the same. Can you advise them?
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problem
This task challenges you to create symmetrical U shapes out of rods and find their areas.
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problem
Start with a triangle. Can you cut it up to make a rectangle?
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problem
Favourite
We started drawing some quadrilaterals - can you complete them?
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problem
Can you find the areas of the trapezia in this sequence?
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problem
Favourite
What's special about the area of quadrilaterals drawn in a square?
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problem
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What are the possible areas of triangles drawn in a square?
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problem
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Can you make sense of the three methods to work out what fraction of the total area is shaded?
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problem
Favourite
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
