Cardboard

How many m² of cardboard are needed to make the cuboid with dimensions 40 cm, 60 cm, and 20 cm?

Final Answer:

x =  0.88 m2

Step-by-step explanation:

a=40/100=52=0.4 m b=60/100=53=0.6 m c=20/100=51=0.2 m x=2 (a b+b c+a c)=2 (0.4 0.6+0.6 0.2+0.4 0.2)=0.88 m2



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you want to convert area units?

You need to know the following knowledge to solve this word math problem:

solid geometryUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: