PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. A cylindrical drum has a height of \(20 \ cm\) and base radius of \(14 \ cm\). Find its curved surface area and the total surface area.
Answer:
Curved surface area \(=\) \(cm^2\)
Total surface area \(=\) \(cm^2\)
2. The curved surface area of a right circular cylinder of height \(14 \ cm\) is \(88 \ cm^2\). Find the diameter of the cylinder.
Answer:
The diameter of the cylinder \(=\) \(cm^2\)
3. A garden roller whose length is \(3 \ m\) long and whose diameter is \(2.8 \ m\) is rolled to level a garden. How much area will it cover in \(8\) revolutions?
Answer:
Area covered in \(8\) revolutions \(=\) \(m^2\)