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Unformatted text preview: intercepted by a central angle of 80°. Slide: 5 of 8 is 0 Arc Length Examples Ex: A circle has a radius of 4 inches. What angle in A) Radians, B) Revolutions, and C) degrees would produce an arc of length 5 inches? Slide: 6 of 8 is 0 4 Sectors A sector is a section of a circle bordered by the _____________ and ______________ rays of a central angles and the _____ on the circle that corresponds to that angle. A sector is a __________ _____________. For a circle of radius ___, the area ___ of a sector with central angle ___ is given by where ___ is measured in radians. Compare the Area of Sector w/ that of Triangle: Slide: 7 of 8 is 0 Area of a Sector Example Ex: A sprinkler sprays water over a distance of 30 feet while rotating through an angle of 150°. What is the area of lawn that receives water? Slide: 8 of 8 is 0...
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 Spring '11
 Gentimis
 Algebra, Angles

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