10. L.O. calculating area and perimeter
Find 5.5 cm
area
10 cm
55 cm² 30 cm²
15.5 cm² 25 cm²
11. L.O. Investigating perimeter - finding all possibilities
A farmer has a goat pen which uses 36 m of fencing.
One night, during a storm, the goat pen is destroyed.
12. The farmer wants to re-build the rectangular goat
pen, but has only 36m of fencing and cannot
remember the exact dimensions from the first pen.
Can you help ?
Remember:
• the pen is rectangular
• only 36m of fence can be used