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Published byBertha Ellis
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2D and 3D Shapes
What is a shape? A shape tells how an object looks on the outside.
What is a 2-dimensional shape? o A 2-D shape is any shape that has length and width. o 2-D shapes are FLAT. o 2-D shapes can be drawn on paper.
What is a 3-dimensional shape? o A 3-D shape is any shape that has length, width, and height. o 3-D shapes are SOLID.
Face The part of a shape that is flat or curved.
Side The line or curve on the edge of a shape that joins its corners.
Angle The amount of turning of two lines meeting at a common point. 90◦
Square Rectangle 2-D shape with 4 equal sides. 2-D shape with 2 shorter sides and 2 longer sides.
Circle Triangle 2-D shape that is round. 2-D shape with 3 straight sides and 3 angles.
Hexagon A 2-D shape with 6 sides and 6 angles.
Cube Cone A 3-D shape with 6 square faces that are all the same size. A 3-D shape with a round base and pointed vertex.
Cylinder Sphere A 3-D shape with circular ends that are equal. A 3-D shape that is perfectly round and has only 1 round face.
Can you sort the shapes? 2-D 3-D
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