The surface area of a sphere of radius 5 cm is five times the area of curved surface of a cone of radius 4 cm. Find the height and volume of a cone. 
.
Asked by Topperlearning User
10th April 2014,
8:58 AM
Answered by Expert
Answer:
Surface area of sphere = 5 (CSA of cone)
4 
l
4 
25 = 5 4 l
l = 5 cm
We know,
h2 = l2 - r2
= 52 - 42
= 9
h = 3 cm
Volume of cone = 
Answered by Expert
10th April 2014,
10:58 AM
Rate this answer
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
You have rated this answer /10
Your answer has been posted successfully!
RELATED STUDY RESOURCES :
Browse free questions and answers by Chapters
- 1 Number System
- 2 Polynomials
- 3 Coordinate Geometry
- 4 Linear Equations in Two Variables
- 5 Introduction to Euclid's Geometry
- 6 Heron's Formula
- 7 Surface Areas and Volumes
- 8 Statistics
- 9 Probability
- 10 Lines and Angles
- 11 Triangles
- 12 Quadrilaterals
- 13 Areas of Parallelograms and Triangles
- 14 Circles
- 15 Geometric Constructions
Trending Tags
Latest Questions
JEE JEE (Main) Mathematics
Asked by Anish
16th October 2018,
11:26 PM
JEE JEE (Main) Chemistry
Asked by Vidushi412
16th October 2018,
9:37 PM
