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What is the area of a circle with radius of 10 cm?

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Jun 22, 2018

Answer:

#A=pi*r^2#

Explanation:

The radius of the circle: #r= "10 cm"#

So

#A= pi * ("10 cm")^2 ~~ "314.16 cm"^2#

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Write your answer here...
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Explanation

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Jim G. Share
Jun 22, 2018

Answer:

#"area "=100pi~~314.16" to 2 dec. places"#

Explanation:

#"the area (A) of a circle is calculated using the formula"#

#•color(white)(x)A=pir^2larrcolor(blue)"r is the radius"#

#"here "r=10" thus"#

#A=pixx10^2=100pi~~314.16" units"^2#

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