Question

10. A copper wire when bent in the form of a square encloses an area of 272.25 cm2. If the same

wire is bent into the form of a circle, what will be the area enclosed by the wire?
​

Answer 1

Answer:

sorry im not sure sorry

Step-by-step explanation:

Answer 2

Answer:

Now, Given that the same wire is bent into a form of circle. Therefore the area enclosed by the circle is 616cm2.

Step-by-step explanation:

Area of the square =272.25cm

2

Let a be the side of the square.

Thus, a

2

=272.25

=>a=

272.25

=>a=16.5 cm

Length of the wire is same, thus

Perimeter of the square= circumference of the circle

=>4a=2πr

=>r=

22

2a×7

=>r=

22

2×16.5×7

=>r=10.5cm

Now area of the circle =πr

2

=

7

22

(10.5)

2

=346.5cm

2

I hope it's help ful to you