Mathematics
The given figure shows the cross-section of a concrete structure. Calculate the area of cross-section if AB = 1.8 m, CD = 0.6 m, DE = 0.8 m, EF = 0.3 m and AF = 1.2 m.

Related Questions
The perimeter of a rhombus is 52 cm. If one diagonal is 24 cm; find :
(i) the length of its other diagonal,
(ii) its area.
The perimeter of a rhombus is 46 cm. If the height of the rhombus is 8 cm; find its area.
Calculate the area of the figure given below which is not drawn to scale.

The following diagram shows a pentagonal field ABCDE in which the lengths of AF, FG, GH and HD are 50 m, 40 m, 15 m and 25 m respectively; and the lengths of perpendiculars BF, CH and EG are 50 m, 25 m and 60 m respectively. Determine the area of the field.
