turtles0823 turtles0823
  • 25-03-2020
  • Mathematics
contestada

Whats the area of a circle with a circumference of 31.4unit

Respuesta :

lydia0redman
lydia0redman lydia0redman
  • 25-03-2020

Answer:

78.54

Step-by-step explanation:

first you have to divided 31.4 by 3.14 to get your diameter so you can get your radius. 31.4 divided by 3.14 equals 10 and 10 divided by 2 equals 5 which is you radius.  The formula for area for a circle is πr². 5 squared is 25 and 3.14 times 25 equals 78 .54 which is your answer.

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