Question
A wire, when bent in the form of a square encloses an
area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?Solution
Area of Square =121. Side of wire (Square)=11 Length of wire =4×11=44cm ATQ- 2 π r =44 R =44×7 / (22×2) =7cm And now an area of circle = πr2 =22/7 ×7 ×7 =154=154 sq. cm
More Mensuration Questions
58   83   133   ?    308    433
60, 100, 160, 240, ?, 460
In each of the following number series, one term is missing. Find the missing term.
7, 14, 28, 56, 112, ?
12, 19, 33, ?, 117
4, 12, 36, 108, ?, 396
945, 1890, ?, 504, 144, 32
What will come in place of the question mark (?) in the following series?
11, 13, 19, ?, 51, 81
Find the missing number, in the given number series.
60, 150, ?, 450, 450, 225
31Â Â Â 40Â Â Â 51Â Â Â 64Â Â Â 79Â Â Â Â ?
- What will come in place of the question mark (?) in the following series?
13, 15, 18, 23, 30, ?
