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. 6 of Exercise 21.3

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6

The dimensions of a cuboid are in the ratio 5 : 3 : 1 and its total surface area is 414 m2. Find the dimensions.

Given,


Ratio of dimensions of cuboid = 5:3:1


Total surface area of cuboid = 414 m2


Let dimensions are =


So,


=


=


=


=


=


So,


Dimensions are =


=


=


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