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Estimate the length of the radius,if the area of a circle is 75 mm^2.?

0 votes

A. 9.78 mm 

B. 23.87 mm 

C. 4.98 mm 

D. 4.89 mm

asked Jul 5, 2014 in ALGEBRA 2 by anonymous

1 Answer

0 votes

Area of the circle = 75mm^2.

Formula for the area of circle image

image and r  is radius of circle.

image

image

image

image

image

image

image

Option D is correct answer.

answered Jul 5, 2014 by david Expert

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