Angles, Polygons and Geometrical Proof
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problemFavouritePolygon Pictures
Can you work out how these polygon pictures were drawn, and use that to figure out their angles?
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problemFavouriteAn Equilateral Triangular Problem
Take an equilateral triangle and cut it into smaller pieces. What can you do with them?
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gameFavouriteQuadrilaterals Game
A game for 2 or more people, based on the traditional card game Rummy.
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problemFavouriteTilted Squares
It's easy to work out the areas of most squares that we meet, but what if they were tilted?
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problemFavouriteTriangles in Circles
Can you find triangles on a 9-point circle? Can you work out their angles?
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problemFavouriteCompleting Quadrilaterals
We started drawing some quadrilaterals - can you complete them?
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