RD Sharma - Mathematics

Book: RD Sharma - Mathematics

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

Subject: Mathematics - Class 9th

Q. No. 2 of CCE - Formative Assessment

Listen NCERT Audio Books - Kitabein Ab Bolengi

2

If the volume of a right circular cone of height 9 cm is 48π cm3, find the diameter of its base.

We have ,


Volume of cone = 48π cm3


Height of cone h = 9 cm


= 1/3πr2h = 48π


= r2= 16 r = 4 cm


Hence diameter of its base = 2 × radius = 2×4 = 8 cm


Chapter Exercises

More Exercise Questions