The ratio of the area of the shaded portion to that of the whole figure is ______.
Area of shaded part = 2 × 1 = 2cm2
Area of whole figure = 4 × 3 = 12cm2
Ratio = 
40
The ratio of the area of the shaded portion to that of the whole figure is ______.
Area of shaded part = 2 × 1 = 2cm2
Area of whole figure = 4 × 3 = 12cm2
Ratio =