The area of triangle ABC shown in the figure is ______
Area of triangle ABC = 12 × Base × Height = 12 × 5 × 8 = 20 cm2
In given figure △ ABC and △ DEF are similar, BC = 3cm, EF = 4cm, and area of triangle ABC = 54cm2. The area of △ DEF is ___ cm2.
If AD is the median of triangle ABC as shown in the figure, area of triangle ADC is________