The radius of a sphere was measured and found to be 21 cm with a possible error in measurement of at most 1 cm. What is the maximum relative error in using this value of the radius to compute the surface area of the sphere?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.5: Square Roots Of Variable Expressions
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The radius of a sphere was measured and found to be 21 cm with a possible error in measurement of
at most 1 cm. What is the maximum relative error in using this value of the radius to compute the
surface area of the sphere?
Transcribed Image Text:The radius of a sphere was measured and found to be 21 cm with a possible error in measurement of at most 1 cm. What is the maximum relative error in using this value of the radius to compute the surface area of the sphere?
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