the area of a circle is 55.4
4 metre square find its radius
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Answer: r=4.2
Step-by-step explanation:
Area Of Circle πr^2= 55.44
22/ 7 * r^2 = 55.44
22*r^2 = 55.44*7
22*r^2= 388.08
r^2= 388.08/22
r^2= 17.64
r= 4.2
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