let r be radius ,x be the diameter of the sphere
x=40
The radius of circular disk is 18cm with a maximum error of 0.2cm. Estimate the
maximum error in calculated area of the disk.
b) The circumference of a sphere was measured to be 64cm with a maximum error of 0.5.
Estimate the maximum error in the calculated surface area of the sphere.
(Volume and Surface area of a sphere of radius r: ! = !
!!!, ! = 4!!!. )
!
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