Saved Bookmarks
| 1. |
The length of the rectangle is 4 more than its breadth. Area of the rectangle is 140 square centimeter. Calculate length and breadth |
|
Answer» Let x be the width of rectangle length = x + 4 cm x(x + 4) = 140 x2 – 4 x – 140 = 0 \(x=\frac{4\pm \sqrt{16+560}}{2}=\frac{-4\,\pm\,24}{2}=10,-14\) width =10 cm length = 14 cm |
|