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 Class 7 Mathematics Length, Perimeter and Area: Surface Area

An open rectangular tank has a base measuring 2.0m by 1.5m. It has a height of 2.5m. The surface of the tank was painted. What was the total area painted?
A. 7.5#m^2#
B. 11.75#m^2#
C. 20.5#m^2#
D. 23.5#m^2#

 (8m 18s)
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