Saved Bookmarks
| 1. |
The sides of a rectangle are (10..5 ± 0.2) cm and (5.2 ± 0.1) cm. Calculate its perimeter with error limits. |
|
Answer» P = 2 (l + b) ± 2 (∆l + ∆b) = 2(10.5 + 5.2) ± 2(0.2 + 0.1) = (31.4 ± 0.6) cm. |
|