16.4.32 Use the Green's Theorem area formula, shown below, to find the area of the region enclosed by t Area of R = -y dx The area of the ellipse is (Type an exact answer.)

(1) Let R the region inside the unit circle centered at the origin. Let Rị the right half of R and let R2 be the bottom half of R. Circle the correct answer in each case. You do not have to show your work. (a) dA is (i) positive. (iii) zero. (ii) negative. (iv) Not Enough Information. (b) dA is (i) positive. (iii) zero. (ii) negative. (iv) Not Enough Information. x dA is (i) positive. (iii) zero. (ii) negative. (iv) Not Enough Information. (d) //. x dA is (i) positive. (iii) zero. (ii) negative. (iv) Not Enough Information.

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