A swimming pool measures 2.8cm at the deep end and 0.5m at the shallow. Given that the volume of a swimming pool in the shape of a trapezoid is 3025 cubed centemetre . calculate a]. the perpendicular distance between two trapezoid of the pool. b] calculate the total surface area of the pool. c] painting the swimming pool requires 0,5litres per square cm , calculate the amount of paint needed to paint the internal sides of the pool. d] 5litre buckets of paint cost $12,55each, calculate the amount​