Question

find the capacity of rectangular cistern in litres whose dimentions are 11.2and 6and 5.8m find the area of iron sheet required to make the cistern

Answer 1

capacity of cistern = volume of cuboid
                              =11.2*6*5.8
                              =389.76m cube     [1mcube=1000 litre]
                              =389760 litres
area of iron sheet=2(lb+bh+lh)
                            =2(166.96)
                            =231.92msqr
hope I answered correctly!!