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2014-05-20T20:50:32+07:00
V tabung = πr²t
= 22/7 x 14 x 14 x 20
= 12320
1 5 1
2014-05-20T21:00:11+07:00
Volume tabung =  \pi r²x t
=22/7x14²x20
=22/7 X (196cm)² X 20cm
=12.320 cm²