Question

A Cubical box having side 20cm is to be
pointed on all its side Find the total
cost of painting it at the rate of
rs 10/cm²​

Answer 1

Answer:

the box is =20cm

there for the panting rate is 10 cm

then 20×10=200

Answer 2

Answer:

first find the total surface are aof the cube that is 6a^2 that will come 6*20*20 = 2400 cm^2

then cost of painting 1cm^2 = 10₹

then 2400cm^2 = 2400*10= 24000₹