Question #a6e08

1 Answer
Nam D.
Feb 7, 2018

#A=49picm^2#

#C=14picm#

Explanation:

The area of a circle is given by

#A=pir^2#

#r# is the radius of the circle

#:.A=pi*7^2=49picm^2#

Circumference is given by

#C=2pir#

#r# is the radius of the circle

#:.C=2pi*7=14picm#

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