2) Find the diameter of circles having the
following areas.
(86 5/8cm
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area of circle is 865/8 cm=108.12cm
area of circle=pi×r^2
108.12=3.14×r^2
108.12/3.14=r^2
34.43=r^2
r=5.86
d=r×2
d=5.86×2
d=11.72cm
diameter of the circle is 11.72 cm
area of circle=pi×r^2
108.12=3.14×r^2
108.12/3.14=r^2
34.43=r^2
r=5.86
d=r×2
d=5.86×2
d=11.72cm
diameter of the circle is 11.72 cm
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