In a frame of lampshade, it …
CBSE, JEE, NEET, CUET
Question Bank, Mock Tests, Exam Papers
NCERT Solutions, Sample Papers, Notes, Videos
In a frame of lampshade, it is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2 cm is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade
Posted by Pradeep Jain 7 years ago
- 1 answers
Related Questions
Posted by Aditi Chawla 2 days, 23 hours ago
- 1 answers
Posted by Anshuman Rai 2 days, 16 hours ago
- 0 answers
Posted by Shubham Kag 1 week, 2 days ago
- 0 answers
Posted by Khushal Gadhwal 1 week, 2 days ago
- 4 answers
Posted by Pramod Rathod 1 week, 1 day ago
- 2 answers
Posted by Shriram Rathod 1 week, 3 days ago
- 0 answers
Posted by Abdul Kadir 1 week, 3 days ago
- 0 answers
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Shweta Gulati 7 years ago
Radius of the frame (r) = 20/2 cm = 10 cm
Height of the frame (h) = 30 cm + 2×2.5 cm = 35 cm
2.5 cm of margin will be added both side in the height.
Cloth required for covering the lampshade = curved surface area = 2πrh
= (2 × 22/7 × 10 × 35)cm2
= 2200 cm2
0Thank You