given that area of circle is 616mm².find radius,
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Area of a circle = π r²
Assuming radius of the circle is r
Area of circle = 616 mm² (Given)
Equation forming,
π r² = 616 mm²
22/7 r² = 616 mm²
r² = 616 * 7/22 mm
r² = 196 mm
r = √196 mm
r = 14 mm
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