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5.1 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 ( 1 minute= 1 60  degree ) \left(1 \textrm{ }\text{minute} = \frac{1}{60} \textrm{ }\text{degree}\right). The radius of Earth is 3960 miles.

OpenStax Precalculus 2e, 5.1 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.