The figure shows a closed container of a uniform cross section,
ner of a uniform cross section, which consists of a
rectangle ADCB and a quadrant DEC of a circle with a
and a quadrant DEC of a circle with centre D. Given that AB = 14 cm,
AD=9 cm and AI=BH=CG= EF = 20 cm, find
(i) the volume,
(ii) the total surface area
of the container.
20 cm
14 cm
A9 cm D