Windshield Wiper An automobile windshield wiper 10 inches long rotates through anangle of 60 degree. If the rubber part of the blade covers only the last 9 inches of the wiper,find the area of the windshield cleaned by the windshield wiper.
Cylinders
A cylinder is a three-dimensional solid shape with two parallel and congruent circular bases, joined by a curved surface at a fixed distance. A cylinder has an infinite curvilinear surface.
Cones
A cone is a three-dimensional solid shape having a flat base and a pointed edge at the top. The flat base of the cone tapers smoothly to form the pointed edge known as the apex. The flat base of the cone can either be circular or elliptical. A cone is drawn by joining the apex to all points on the base, using segments, lines, or half-lines, provided that the apex and the base both are in different planes.
Windshield Wiper An automobile windshield wiper 10 inches long rotates through an
angle of 60 degree. If the rubber part of the blade covers only the last 9 inches of the wiper,
find the area of the windshield cleaned by the windshield wiper.
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