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7.1 Exercise 87

Avg difficulty 2.5

Find the distance along an arc on the surface of Earth that subtends a central angle of 5 minutes
$\left(1 \text{minute} = \frac{1}{60} \text{degree}\right)$ . The radius of Earth is 3960 miles.

OpenStax Algebra and Trigonometry 2e, 7.1 Angles, exercise 87

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.