A cubical box has edge 10 cm and another cuboidal box is 12.5 cm long,

1.	A cubical box has edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high.(i) Which box has smaller total surface area?(ii) If each edge of the cube is doubled, how many times will its T.S.A increase?
Answer» A cubical box has edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high. (i) Which box has smaller total surface area? (ii) If each edge of the cube is doubled, how many times will its T.S.A increase?

A cubical box has edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high.(i) Which box has smaller total surface area?(ii) If each edge of the cube is doubled, how many times will its T.S.A increase?

Answer»

A cubical box has edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high.

(i) Which box has smaller total surface area?

(ii) If each edge of the cube is doubled, how many times will its T.S.A increase?