a round plate has an area of 28.26 sq cm find the cìrcumference of the plate (take pi =3.14)
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Step-by-step explanation:
Area of circle = πr^2
28.26 = 3.14 * r^2
28.26/3.14= r^2
9 = r^2
Radius = 3 cm
Circumference = 2πr
= 2 * 3.14 * 3
= 18.84 cm
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