Mathematics for IGCSE & O level - Mensuration (Section 11 - No. 22)
What must you remember when giving an answer for area?
That all units are square units.
That the units must all be in millimetres.
To always round to the nearest whole number.
To include the units, eg m, cm, km
解释
You must ensure that all units are square units when providing an answer for the area.