1. LENGTH and PERIMETER

2. How far is it once round ?
Distance round outside of shape is the PERIMETER

3. Shapes and perimeter
The perimeter of a shape is the total distance round the outside
2 m
1 m
Find perimeter of this rectangle
Perimeter =
= 6 m

4. Find the perimeter triangle Perimeter = 6 + 5 + 3 = 14 cm Shape is a

5. Find the perimeter square Perimeter = 7 + 7 + 7 + 7 = 28 cm Shape is a

6. Find the perimeter hexagon Perimeter = 3 + 3 + 3 + 3 + 3 + 3 = 18 cm
Shape is a
hexagon
Perimeter =
= 18 cm

7. Find the perimeter right-angled triangle Perimeter = 5 + 4 + 3 = 12 m
Shape is a
right-angled triangle
Perimeter =
= 12 m