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Resources tagged with Similar triangles similar to Number the Sides:

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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

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Broad Topics > 2D Geometry, Shape and Space > Similar triangles

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Number the Sides

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

The triangles in these sets are similar - can you work out the lengths of the sides which have question marks?

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Pinhole Camera

Stage: 3 Challenge Level: Challenge Level:1

Make your own pinhole camera for safe observation of the sun, and find out how it works.