A solid prism isof length 15cm. There is a cross-section of the prism which is a semi-circle of radius 4cm. Calculate the total surface area of the prism. Share with your friends Share 1 Anuradha Sharma answered this The prism will be same as that of half of the cylinder so, TSA= πrh+πr2+area of rectangular base=227×4×15+227×42+8×15Simplify this to get the answer. 0 View Full Answer