mjlewis7143 mjlewis7143
  • 01-06-2017
  • Mathematics
contestada

The area of the circle above is 1,962.5 units2. What is the circumference of the circle? Use = 3.14.


A.
654.17 units
B.
981.25 units
C.
78.5 units
D.
157 units

Respuesta :

ghanami
ghanami ghanami
  • 01-06-2017
hello : 

the area of the circle is : A = πr² 
A=1,962.5 units2  and π = 3.14.
find : r²  and r 
the circumference is : P=2πr


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