If the perimeter of a square is 36 m then its area is:
80 m2
84 m2
72 m2
81 m2
If the perimeter of a square is 20 cm, then its area is:
The given figure shows a trapezium in which AB || DC and diagonal AC and BD intersect at point P. If AP : CP = 3:5 and area of △APB is 27 m2, then the area of △CPD is ___.