Saved Bookmarks
| 1. |
Circumference of a circle is 44 cm. Find the radius and area of triangle. (π = 22/7). |
|
Answer» Let radius of cirlce r cm Circumference of circle = 44 ⇒ 2πr = 44 ⇒ 2 x 22/7 x r = 44 r = (44 x 7)/(22 x 7) = 7 cm ∴ Area of circle = πr2 = 22/7 x 7 x 7 = 22 x 7 = 154 sq. cm |
|