Question 41 / 45:  Pablo measures the diameter of a cylinder to be $$11.91 \pm 0.05 \, \,{\tt{mm}}$$. What is the area of the cylinder. Remember that there is only one independent measure of the diameter.
A  111.4 +/- 0.935 mm 2
B  11.4 +/- 0.09 mm 2
C  111.4 +/- 0.094 mm 2
D  111.4 +/- 0.05 mm 2
E  111.4 +/- 0.25 mm 2
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Explanation:

Here we want to determine both the area of the cylinder and its estimated error. For the area calculation, you may use the formula π R2. Make sure that you realize that there is only one measure of diameter, but that it is used in R2. LINK

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Measurement & Experimentation Laboratory ME301

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Attribution:  Dr. Steve Gibbs. Measurement & Experimentation Laboratory. The Saylor Academy 2014, http://www.saylor.org/courses/me301/
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