\fAppendix Table 8-1 - Centroids of Areas X Y SHAPE AREA No|- 1. Triangle bh 2. Semicircle 0 41 4r 4r 3. Quarter circle yTable 2 - A useful tool for calculating the location of a centroid. Shape Location of Location of Area of shape Area of shape Area of shape number X, relative y relative (A;) multiplied by X; multiplied by y (i) to vertical to (A,X;) (A;yi) reference horizontal axis reference axis 1 2 3 totals n/a n/a EZZA/=? EMZAR =? Etz AM=