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. 2 of Exercise 21.2

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2

Find the volume in cubic decimetre of each of the cubes whose side is

(i) 1.5 m


(ii) 2 dm 5 cm

(i) Given,


Side of cube = 1.5m = 15 dm


Volume of cube = 153 = 3375 dm3


(ii) Given,


side of cube = 2dm 5 cm = 2.5 dm


volume of cube = 2.53 = 15.625 dm3


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