A wire bent in the form of a Circle of radius 2cm.it is bent in the form of a square.find ratio between area of Circle and square
Answers
Answered by
0
Answer:
Ac = pi R^2 area of circle
Lc = 2 pi R length of circle perimetr
As = (Lc / 4)^2 area of square with sides of Lc / 4
As = (2 pi R / 4)^2 substituting for Lc
As = pi^2 R^2 / 4
As / Ac = (pi ^2 * R^2 / 4) / (pi R^2) = pi/4 or Ac / As = 4 / pi
Similar questions