A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is

A circle of radius 7 m has a standard error of 0.02 m on the radius. T

1.	A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is
A.	0.04 m2
B.	0.14 m2
C.	0.28 m2
D.	0.88 m2
Answer» D. 0.88 m2

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A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is

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