The breadth is 6m.
What is a volume?
Volume is a scalar quantity expressing the amount of three-dimensional space enclosed by using a closed surface.
Volume = length*breadth*height (Formula)
240m^3 =10m*b*4m ( putting given values)
240m^3= 40m^2*b ( multiplying length and height
240m^3÷40m^2 = b (dividing volume and 40m^2)
6m = b ( after calculating)
breadth = 6m
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