Question

Rani wanted to paint the outer surface of a closed cuboid wooden box of dimension 20 cm × 50 cm × 10 cm.calculate area that has been painted if the thickness of the wood is 1.5 cm

Answer 1

Answer:

Step-by-step explanation:

You need to find the external volume with given dimensions.

And then find internal volume=17*47*7

Then subtract both the answers