OpenStax, Algebra and Trigonometry 2e §7.1 Angles · Exercise 47 · Trigonometry · Angle measure
Angles · Exercise 47
Use the given information to find the area of the sector. Round to four decimal places.
A sector of a circle has a central angle of and a radius of 20 cm.
OpenStax, Algebra and Trigonometry 2e · §7.1 Angles · Exercise 47
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