Maths-
General
Easy

Question

A circular park of radius 49 m has to forced with wire. Find the length of wire required.

  1. 144 m
  2. 156 m
  3. 180 m 
  4. 308 m

The correct answer is: 308 m


    Radius = 49 m
    Length of wire required = cilcomference of circle
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell equals 2 pi r equals 2 cross times 22 over 2 cross times 497 end cell row cell equals 44 cross times 7 equals 308 end cell end table

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