When the circumference and area of a circle are numerically equal, then the diameter is numerically equal to 

(1) area (2) circumference (3) 2π (4) 4 unit

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1 Answers

 (4) Circumference = area, 2πr = πr2 

r = 2 

Diameter = 2r = 2 × 2 = 4 unit.

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