Donnie Smith Assignment Section 9.4 due 04/28/2017 at 11:59pm MST 1. (1 point) Find the area enclosed by the curve r = 9(1 + cos()). Area = Sharma MAT 266 ONLINE B Spring 2017 5. (1 point) Find the area of the inner loop of the limacon with polar equation r = 9 cos 6 Answer(s) submitted: 121.5pi (correct) 2. (1 point) Find the area enclosed by the polar curve r = 9e0.8 on the interval 0 its ends. 1 9 and the straight line segment between Area = Answer(s) submitted: (incorrect) 3. (1 point) Find the area enclosed by one loop of the lemniscate with equation r2 = 49 cos 2 shown in the figure. Choose your limits of integration carefully. 1 = cos1 Answer : 6 9 \u0001 Answer(s) submitted: 124.715 (incorrect) 6. (1 point) Find the area of the region inside: r = 6 sin but outside: r = 1 Answer(s) submitted: With r0 = 7 Answer : (1)/(2)[17pi-34sin(-1)((1)/(6))+sin(2sin(-1)((1)/(6)] (incorrect) Answer(s) submitted: (49)/(2) 7. (1 point) Find the exact length of the polar curve described by: (correct) 4. (1 point) Find the area inside one leaf of the rose: r = 4e r = 6 sin(4) on the interval 72 6. The area is Answer(s) submitted: Answer(s) submitted: (9pi)/(4) (incorrect) (correct) 1 10. (1 point) Find the area of the region bounded by: r = 9 2 sin 8. (1 point) Find the exact length of the polar curve Answer(s) submitted: r = 3 sin(), 0 /3. Length = (incorrect) Answer(s) submitted: 11. (1 point) Find the area of the region outside r = 6+6 sin , but inside r = 18 sin . (incorrect) Answer(s) submitted: 9. (1 point) Find the exact length of the polar curve (incorrect) r = 2 , 0 2. 12. (1 point) Find the area of the region that lies inside both curves r = 4 sin(2), r = 4 sin() Area = Length = Answer(s) submitted: Answer(s) submitted: (incorrect) (incorrect) c Generated by WeBWorK, http://webwork.maa.org, Mathematical Association of America 2