Saved Bookmarks
| 1. |
The difference between circumference and diameter of a circle is 21.4cm find the radius |
|
Answer» Given, πr² - 2πr = 21.4 π (r² - 2r) = 21.4 r² - 2r = 21.4 × 7/ 22 r² - 2r = 6.80 R = 3.792, -1.79 Since the value of radius cannot be Negative, therefore r = 3.79. Radius = 3.79 CM |
|