Saved Bookmarks
| 1. |
The area of circle is 1386msq find circumference |
|
Answer»
1386 = πr^2 r^2 = 1386/π r = √1386/π so CIRCUMFERENCE is 2πr = 2 * π *√1386/π = 2*3.14*√1386/3.14
= 6.28. * 21 = 131.9
|
|