Answer Happy

could u also explain how z and y has been obtained thank u
Calculate the second moments of area about the centroidal axes of the cross-sections illustrated below. 4 cm 4 cm klem 1 cm k cm 1 cm a) b) 3 cm 3 cm 1 cm 1 cm Ans. lyy = 34.92 cm', 1,= 10.92 cm", lyz= 0 Ans. Iyy = 34.92 cm", 12= 15.83 cm', 1yz=0