If a wire is bent into the shape of a square, then the area of the square is 81 sq. cm. When the wire is bent into a semi-circle will be (in cm |
|||||||

(a) |
22 |
(b) |
44 |
(c) |
77 |
(d) |
154 |

If a wire is bent into the shape of a square, then the area of the square is 81 sq. cm. When the wire is bent into a semi-circle will be (in cm |
|||||||

(a) |
22 |
(b) |
44 |
(c) |
77 |
(d) |
154 |

1 Answer

127 votes

Length of each side of the square = = 9 cm.

Length of the wire = cm.

cm.

Area of semi-circle =

127 votes

127