Question

calculate the quantity of coloured paper to cover the whole surface of a cube whose sides is 12 cm​

Answer 1

Answer:

total surface area = 2(lb + bh + hl)

l=12cm

in a square l=b=h

2(12x12 + 12x12 + 12x12)

2(144 + 144 + 144)

2(432)

864cm^2