OpenStax, Algebra and Trigonometry 2e §7.1 Angles · Exercise 66 · Trigonometry · Angle measure

Angles · Exercise 66

Find the distance along an arc on the surface of Earth that subtends a central angle of 7 minutes
$(1 minute = \frac{1}{60} degree)$ . The radius of Earth is $3960$ miles.

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OpenStax, Algebra and Trigonometry 2e · §7.1 Angles · Exercise 66

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