SOLUTION: A 72-degree arc AB is drawn in a circle of radius 8 cm. How long is chord AB?

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Question 294044: A 72-degree arc AB is drawn in a circle of radius 8 cm. How long is chord AB?
Answer by Alan3354(69443) About Me  (Show Source):
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A 72-degree arc AB is drawn in a circle of radius 8 cm. How long is chord AB?
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1/2 of the chord = 8*sin(36º)
chord = 16*sin(36)
=~ 9.405