There is a cylindrical wood with a bottom diameter of 10 cm and a height of 20 cm. It is cut into two sections along its diameter. What is the surface area of each piece?

There is a cylindrical wood with a bottom diameter of 10 cm and a height of 20 cm. It is cut into two sections along its diameter. What is the surface area of each piece?


The surface area is the surface area of a cylinder, plus the cross-sectional area of two rectangles
π*10*20+π*5*5*2+10*20*2