RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)

Subject: Maths - Class 8th

Q. No. 4 of Exercise 21.3

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4

Find the surface area of a cube whose volume is

(i) 343 m3


(ii) 216 dm3

(i) Given,


Volume of cube = 343 m3


Side of cube = a =


So,


Surface area of cube =


(ii) Given,


Volume of cube = 216 dm3


Side of cube =


So,


Surface area of cube =


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