the area of a circle is 55.44m2. find its radius
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Answer:
Step-by-step explanation:25.72
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Step-by-step explanation:
area of circle= pi×r×r
given area=55.44
pi=3.14
55.44=3.14×r×r
r^2=55.44/3.14
r^2=17.656
r=root(17.65)
r=4.2cm
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