RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 20. Surface Area and Volume of a Right Circular Cone

Subject: Mathematics - Class 9th

Q. No. 10 of Exercise 20.2

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Find the weight of a solid cone whose base is of diameter 14 cm and vertical height 51 cm, supposing the material of which it is made weighs 10 grams per cubic cm.

We have ,

Radius r = 14/2 = 7 cm,

Height h = 51 cm

Weight of solid cone = × kg = 26.180 kg

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