suman made a cardboard box in the form of a cube without lid .If the total surface area of this box was 180 cm2,what are the dimentions of the box
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let the edge of the box be a
total surface area of a cube = 6a^2
since the box is open in the top
the total surface area of the box = 5a^2
ATQ
5a^2 = 180
a^2 = 36
a = 6 [(-)sign neglected]
dimensions :-
length = 6 cm
breadth = 6cm
height = 6 cm
total surface area of a cube = 6a^2
since the box is open in the top
the total surface area of the box = 5a^2
ATQ
5a^2 = 180
a^2 = 36
a = 6 [(-)sign neglected]
dimensions :-
length = 6 cm
breadth = 6cm
height = 6 cm
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