Asked by jeff
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
Answers
Answered by
Writeacher
Work ~~> pi r^2 = 28.26
http://www.math.com/tables/geometry/areas.htm
Then you'll have the radius (r) -- and you can double it for the diameter.
A math teacher will double-check me.
http://www.math.com/tables/geometry/areas.htm
Then you'll have the radius (r) -- and you can double it for the diameter.
A math teacher will double-check me.
Answered by
drwls
If pi r^2 = 28.26,
r^2 = 9.00
r = 3.00 cm
Diameter = 6.00 cm
Writeacher's method is correct
r^2 = 9.00
r = 3.00 cm
Diameter = 6.00 cm
Writeacher's method is correct
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