Answers

2015-01-28T20:59:29+08:00
Formula of radius
C= 2 \pi [/tex]radius
  = 2 times 3.14 times 12
  = 6.28 times 12
  = 75.36 cm.

formula of diameter
C= \pi [/tex] times diameter
  = 3.14 times 16
  = 50.24 m.
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2015-01-29T11:28:36+08:00
Area is the measurement of the surface or the no of square m/cm/dm/km/mm in an object.

Circumf
erence is the distance around a circle or sphere.
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