the area of a circle is 616 cm find its diameter (r=22÷7
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Answer:
The length of diameter is 28 (approx)
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Step-by-step explanation:
As per the given data,
Area of the circle = π × r2
Where, r = radius of circle
Area of the circle = 616 sq.m
⇒ π × r2 = 616
⇒ r2 = 616/π = 196
⇒ r = √196 = 14
∴ Diameter = 2r = 2 × 14 = 28 m
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