Question
In a circular field, the area is six times its
circumference in terms of numerical value. Calculate the diameter of the field.Solution
ATQ,
Circumference = 2 × π × r
Area = π × r²
Let radius = r units
π × r² = 6 × 2 × π × r
⇒ r² = 12r
⇒ r = 12
Diameter = 2 × 12 = 24 units
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