# Ex 11.3, 3 - Chapter 11 Class 8 Mensuration

Last updated at Dec. 12, 2018 by Teachoo

Last updated at Dec. 12, 2018 by Teachoo

Transcript

Ex 11.3, 3 Find the side of a cube whose surface area is 600 ใ๐๐ใ^2. Given, Surface area of cube = 600 ใ๐๐ใ^2 Let side of cube = ๐ฅ cm Thus, Surface area = 6 ร (Side)2 600 = 6 ร ๐ฅ^2 600/6 = ๐ฅ^2 100 = ๐ฅ^2 ๐ฅ^2 = 100 ๐ฅ = โ100 ๐ฅ = โ(ใ10ใ^2 ) ๐ฅ = 10 ๐๐ โด Side of cube = 10 cm

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