Area 18.84 the area of a circle is 18.84. Find the radius, diameter and perimeter

s=πr²=3.14r²=18.84
r²=18.84÷3.14=6
Radius r = 2.45
Diameter d = 2R = 2 × 2.45 = 4.9
Perimeter C = π d = 3.14 × 4.9 = 15.386

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