There is a cubical box of edge 6 cm. it s top and bottom are covered with red colour canvas and the other four faces is coverd with blue colour canvas. How much red colour and blue colour canvas cloth is required ?

Answer

72sq.cm, 144 sq.cm

Explanation

Edge of the cubical thermol box `(a) =6cm`
The area of red colour canvas required
`=2a^2=2(6)^2`
`=2xx36 =72sq.cm`
The area of blue colour canvas cloth rquired
`4a^2 =4(6)^2`
`=4(36)=144sq.cm`