A wire when bent in the form of a square encloses an area of 121sq.cm the same wire is bent in the form of a circle find the area of the circle
Answers
Answered by
3
answer should be 154
sumit226:
yes
Answered by
8
Area of the square = 121sq.cm
Side of the square = √121 = 11cm
Perimeter or the length of the wire = 4*11=44cm
Then bent to the circle
2πr=44
πr = 44/2 = 22
π = 22/7
r = 22(7/22)
r=7
Area of circle=πr^2
=(22/7)49
=22*7
=154 sq.cm
Side of the square = √121 = 11cm
Perimeter or the length of the wire = 4*11=44cm
Then bent to the circle
2πr=44
πr = 44/2 = 22
π = 22/7
r = 22(7/22)
r=7
Area of circle=πr^2
=(22/7)49
=22*7
=154 sq.cm
thanks.......
Similar questions