7 metres ____ 7 centimetres.
What is the volume in cubic metres of a rectangular tank 4 metres long, 3 metres wide and 200 centimetres high?
What is the volume in cubic metres of a rectangular box 14 metres long, 13 metres wide and 400 centimetres high?
Draw ΔABC as in the first problem. Draw a triangle of the same area with two of its sides 6 centimetres and 7 centimetres.