Find the circumference of the circle whose area is 16th times the area of circle with diameter 7 cm
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Step-by-step explanation:
diametrr of another circle=7cm.
radius=3.5cm.
area of the second circle=π×r^2=22/7*3.5*3.5=38.5cm^2.
area of the first circle=38.5*16=616cm^2.
π×r^2=616
22/7*r^2=616
r=14cm.
circumference=88cm.
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