MATLAB - Problems

please help, THANK YOU!

7 (A) Show that the location of the centroid yc of the half-circle area shown is given by dA 4R c 3 The coordinate yc can be calculated by: dA dA (B) For the half-circle area , show that the moment of inertia about the x axis, 4 , s given by 4 = 8R4 . The moment of inertia , can be calculated by: Solution for #1: To get the sphere into position, you have add 6 to all the Z values