Question

From a cardboard 0.5 m by 0.8 m, 60 cubes
with edge 3 cm were made. Find the area of
cardboard left.​

Answer 1

Answer:

760 cm^2

Step-by-step explanation:

Total surface area of Cardboard = 50*80= 4000cm^2

area of cardboard left = surface area of cardboard - total surface area of all cubes

surface area of 1 cube = 9*6= 54

54*60= 3240

4000-3240= 760cm^2

so, area of cardboard left is equal to 760cm^2

by Sameer, Sudheer & Ahmed