What is the radius of a circle whose area is 154 square centimeters?

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Dec 14, 2016

Answer:

#7.00#

Explanation:

Area of a circle #A=pir^2#, where r is the radius.

Given #A=154#,
#=> 154=pi*r^2#
#=> r^2=154/pi=49.02#

#=> r=sqrt49.02=7.00#

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