Which shape has 2 pairs of parallel sides, 2 acute and 2 obtuse angles and no lines of symmetry? In a quadrilateral, three angles measure 110, 70 and 20 degrees. They will have to relate their understanding of perimeter and area to 2D shapes, and they may be required to reflect or translate 2D shapes on a coordinate grid. When working with fractions, children will often have to shade a fraction of a shape. How do 2D shapes relate to other areas of maths?
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