2-dimensional shapes are flat. The perimeter of a 2D shape is the total distance around the outside of the shape. The area of a 2D shape is the space inside the shape.

How many sides does a pentagon have?

4

5

6

What is the name of a shape with 6 sides?

Quadrilateral

Pentagon

Hexagon

What is the perimeter of this rectangle?

19 cm

38 cm

88 cm

What is the perimeter of this square?

20 cm

25 cm^{2}

100 cm

What is the value of x?

7 cm

12 cm

23 cm

What is the perimeter of this shape?

165 cm

33 cm

52 cm

What is the area of this rectangle?

8.5 cm^{2}

17.5 cm^{2}

17.5 cm

What is the area of this compound shape?

117 cm^{2}

52 cm^{2}

165 cm^{2}

What is the formula to work out the area of a triangle?

Base × height

What is the formula to work out the area of a trapezium?