An automobile windshield wiper 13 inches long rotates through an angle of EU" _ If the rubber part of the blade covers onlyr the last 12 inches of the wiper, fuld the area of the windshield cleaned by the windshield wiper. Answer exactly or round to the nearest tenth of a square inch. : squaremches Enter your answer as a number {like 5, 3, 2.21755} or as a calculation {like 1'3, 2'3, 5+4]: Enter DNE for Does Not Exist, no for Innity Get Help: 49 If the sector formed by a central angle of 3D" has an area of Ir square centimeters, nd the radius of the circle. Give exact answers. r= : cm Preview nd the arc length. Give exact answers. .- :m GetHelp