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Mathematics

Answered

An optical fiber has a core diameter of 62.5 microns. If the radius is half the diameter, what is the cross-sectional area of the cable to the nearest 10 microns?
A) 3066.10 microns
B) 3666.10 microns
C) 3066.4 microns
D) 3666.5 microns

Answer :

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