### Shapes and lines

### Lines

A long thin
mark made with a writing tool is called a

**line**. The line can include:**A straight line**: a line that is marked in one direction**Curve**: a gradually bending line**Zigzag**: a line consisting of sharp left and right turns or angles.*The letter Z is a***zigzag**.**Wavy**: a line consisting of curves**Dotted line**: a line made of very small spots**Vertical**: a line going from down to up or vice versa.*The trees are***vertical**.**Horizontal**: a straight line;**parallel**to the ground**Spiral**: a line continuously circling around a central point

### Shapes

**Circle**: a line that curves until its ends join.*A ring is in the shape of a circle.***Oval**: a line that is curved like outline of an egg**Square**: a flat shape having four equal sides (the opposite sides are parallel) and all four internal angles of 90 degree**Rectangle**: a flat shape having four sides (the opposite sides are parallel) and all four internal angles of 90 degree**Triangle**: a flat shape having three sides and three angles**Pentagon**: a flat shape having five sides and five angles**Hexagon**: a flat shape having six sides and six angles**Octagon**: a flat shape having eight sides and eight angles

### Solid figures

A shape
that has length, width and height is called a

**solid figure.**The solid shape can include:**Cube**: a solid figure having six square faces that are all equal. A cube has eight points and twelve edges.**Cone**: a solid figure with one circular base and curved side that narrows gradually until it joins to the top called the**apex.****Cylinder**: a solid figure consisting of two circular ends and one curved side**Pyramid:**a solid figure consisting of square base and four triangular sides that meet at the top called the apex**Sphere:**a solid figure that is perfectly round like a ball

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