Q: - Find the centroid of the shaded area under the curve shown in the Figure below. 1. Use vertical Strip. 2. Use horizontal strip. 3. Compare the results. 1 2-x²-x/2

Use cross products to find the area of the quadrilateral in the xy-plane defined by (0, 0), (1, -1), (3, 1), and (2,8). (Give an exact answer. Use symbolic notation and fractions where needed.) A =

Find the area of the region enclosed by the given curves.