2d shapes examples11/19/2023 It might also be possible to model the activity and then let children play freely with the string or elastic but they would need careful supervision to avoid the health and safety issues associated with the resources. Polygon: A polygon is a 2D shape with straight sides.This is presented here as a teacher-led activity. Kite: A quadrilateral with two pairs of sides that are same length. One pair of diagonally opposite sides is equal. Parallelogram: A quadrilateral with both pairs of opposite sides parallel and both pairs an equal length. Trapezium: A quadrilateral with one pair of parallel sides. (Differs from a square in that angles are NOT 90˚). Rhombus: A quadrilateral with both pairs or opposite sides parallel and all sides equal length. They include squares, rectangles, circles, triangles. Right-angled triangle: A triangle that has a right angle. 2-dimensional shapes are flat and only have two dimensions: length and width. Scalene triangle: A triangle with 3 sides that are all unequal. Isosceles triangle: A triangle with 2 equal sides.
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