Shapes are all around us — from the triangles on road signs to the circles in wheels. Learning about them helps us understand space, design, and everyday objects.
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You can find more about this topic by visiting BBC Bitesize - Recognise and describe 3D shapes
So triangles, squares, rectangles and pentagons are all polygons
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To help remember this, think of an octopus with 8 legs
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A heptagon has 7 sides and a heptagram is a star with 7 points
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A regular polygon has all sides equal
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An equilateral triangle has angles of 60o at each of its corners
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An isosceles triangle has 2 equal angles which are opposite to 2 sides of equal length
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Cubes and cuboids are both polyhedrons
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The diameter is twice the radius
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Tetrahedrons are similar to pyramids, but pyramids have 5 faces, one of which is a square
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There are 360o in a full turn so a quarter turn will be 90o
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