Question

If three cubes of dimension 3 cm by 3cm by 3cm are placed side by side , What would the dimension of the resulting cubiod be?​

Answer 1

Step-by-step explanation:

see the image will be helpful for you

Answer 2

$\sf \: Length (l) =(3+3)=6 cm. \\ \\ \sf \: Breadth (b) = 3 cm. \\ \\ \sf \: Height (h) = 3 cm. \\ \\ \sf \: Hence ,\\ \\ \sf, l+b+h = 6+3+3 = 12 cm$

Note:

The lengths of both the cubes are added,but no change in breadth and height.