2-d shapes what is a 2d shape and how do we define it?

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2-D Shapes What is a 2D Shape and how do we define it?

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2-D Shapes

What is a 2D Shape and how do we define it?

A 2D shape has two dimensions of space; Width and Height.

Height

Width

A 2D Shape has angles and sides

Angles

A 2D Shape has angles and sides

Sides

How many angles and sides does this shape have?

3 Sides3 Angles

What are parallel lines?Parallel Lines are 2 or more lines that run next to each other in the same direction.

No matter how long they are, they will never meet.

Parallel Lines

Unparallel Lines

How many Angles, Sides and Parallel Lines do these shapes have?

2

4

6

3

5

1

7

1Angles: 4Sides: 4Parallel Lines: 2

2Angles: 0Sides: 1Parallel Lines: 0

3

Angles: 5Sides: 5Parallel Lines: 0

4

Angles: 4Sides: 4Parallel Lines: 2

5Angles: 6Sides: 6Parallel Lines: 3

6

Angles: 4Sides: 4Parallel Lines: 1

7

Angles: 12Sides: 12Parallel Lines: 2

Try Drawing these shapes

1. Four straight sides and four angles

2. Three sides and three angles

3. Two sides

4. Six angles

5. Four straight sides and one set of parallel lines

6. Eight sides

7. Five sides

8. One side and zero angles