The difference between the circumference and radius of a circle is 74 cm. Find the circle diameter? Options: A . &nbsp16 cm B . &nbsp24 cm C . &nbsp28 cm D . &nbsp32 cm E . &nbspNone of these

The difference between the circumference and radius of a circle is 74 cm. Find

Question

The difference between the circumference and radius of a circle is 74 cm. Find the circle diameter?

Answer: Option C
-  circumference - radius = 74
      pie d- d/2 =74
22d/7 - d/2 =74
   (44d-7d)/14 =74
37d = 74x14
   d= (74x14)/37
   d = 28cm

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