Math, asked by Boom7643, 11 months ago

A rectangular tank is 21cm long, 13cm wide and 18cm high and contains water up to a height of 11cm then the total surface area

Answers

Answered by ak94858538
0

seee

length=21cm

breadth=13cm

height=18cm

TO FIND THE TOTAL SURFACE AREA:

To tal surface area =2(lb + bh + hl)

=2(21×13+13×18+18×21)

=2(273+234+387)

=2(885)

=1770 cm^2

[Therefore;required answer=1770cm^2]

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