# Answer to Question #119941 in Mechanics | Relativity for Umar

Question #119941
The dimension of a rectangular shape is 5.9 by 4.1mm s measured with a veneer calliper whose minimum scale is 0.05 mm. The percentage error in its surface area is approximately.
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2020-06-03T12:11:04-0400

Explanations & Calculations

• Fractional error of a measurement is "\\frac{\\text{error}}{\\text{measurement}}"

• In measuring instruments the least measurement is considered as the maximum error.
• The effect of errors in taking measurements of several quantities, is affected in a way of fractional errors when a product or ratio of those quantities are considered.
• With respect to this situation, l = 5.9 mm, b =4.1 mm & Area = l "\\small \\times" b

• If the possible maximum error is noted by "\\delta" ,

• Therefore, for this question,

• Therefore, percentage error is 0.020669 "\\times" 100% = 2.067%

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