A square has four right angles (90°). Each diagonal splits a corner into two angles of 45°. Note also that the diagonals cut each other in half at right angles. A rectangle has four right angles. The ...
pptx, 270.12 KB docx, 43.79 KB pptx, 952.68 KB pptx, 412.99 KB Looks at angles in 2d shapes - circle, triangle, square, rectangle. then moves onto lines of symmetry and investigation whether a square ...
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