Notifications
Clear all
Curved surface area of a right circular cylinder is 4.4 m^2. If the radius of the base of the cylinder is 0.7 m, find its height.
Surface Areas and Volumes
1
Posts
2
Users
0
Likes
547
Views
0
26/07/2021 11:51 am
Topic starter
Curved surface area of a right circular cylinder is 4.4 m2. If the radius of the base of the cylinder is 0.7 m, find its height. (Assume π = 22/7)
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
26/07/2021 11:52 am
Let h be the height of the circular cylinder and r be the radius.
Radius of the base of cylinder, r = 0.7m
CSA of cylinder = 2πrh
CSA of cylinder = 4.4 m2
Equating both the equations, we have
2 × (22/7) × 0.7 × h = 4.4
h = 1
Therefore, the height of the cylinder is 1 m.
Add a comment
Add a comment
Forum Jump:
Related Topics
-
The diameter of a sphere is decreased by 25%. By what percent does its curved surface area decrease?
4 years ago
-
The front compound wall of a house is decorated by wooden spheres of diameter 21 cm, placed on small supports as shown in fig. Eight such spheres are used forth is purpose, and are to be painted silver.
4 years ago
-
A wooden bookshelf has external dimensions as follows: Height = 110cm, Depth = 25cm, Breadth = 85 cm (see fig.). The thickness of the plank is 5cm everywhere.
4 years ago
-
A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm^3) is needed to fill this capsule?
4 years ago
-
Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’.
4 years ago
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 2 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed