Find the volume of the right circular cone with radius 3.5 cm, height 12 cm - Mathematics

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Find the volume of the right circular cone with radius 3.5 cm, height 12 cm

`["Assume "pi=22/7]`

 

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Solution

Radius (r) of cone = 3.5 cm

Height (h) of cone = 12 cm

`"Volume of cone "=1/3pir^2h`

`=[1/3xx22/7xx(3.5)^2xx12]cm^3`

`=(1/3xx22xx1/2xx3.5xx12)cm^3`

= 154 cm3

Therefore, the volume of the cone is 154 cm3.

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Chapter 13: Surface Area and Volumes - Exercise 13.7 [Page 233]

APPEARS IN

NCERT Mathematics Class 9
Chapter 13 Surface Area and Volumes
Exercise 13.7 | Q 1.2 | Page 233

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