PART IIMeasurement of Area
| Imperial units | |
|---|---|
| Acre | = 4840 square yards. |
| Square yard | = a superficial area equal to that of a square each side of which measures one yard. |
| Square foot | = 1/9 square yard. |
| Metric units | |
| Hectare | = 100 ares. |
| Decare | = 10 ares. |
| Are | = 100 square metres. |
| Square metre | = a superficial area equal to that of a square each side of which measures one metre. |
| Square decimetre | = 1/100 square metre. |
| Square centimetre | = 1/100 square decimetre. |
| Square millimetre | = 1/100 square centimetre. |