Saved Bookmarks
| 1. |
The radius and height of a solid cylinder are 4 cm and 10 cm respectively. Find its total surface area |
|
Answer» ONG>Answer: 352 Explanation: r = 4 h = 10 total surface area formula : 2× pi × radius × height + 2 × pi × (raidus)² => 2 × 22/7 × 4 × 10 + 2 × 22/7 × (4×4) => 44 × 40 ÷ 7 + 44 × 16 ÷ 7 => 1760 ÷ 7 + 704 ÷ 7 * LCM => 2464 ÷ 7 = 352 (ans) |
|