Find the area to be painted in the following block with a cylindrical hole. Given that length is 15 cm, width 12 cm, height 20 cm and radius of the hole 2.8 cm.

Options

A. `1390.72 cm^(2)`
B. `1410.20 cm^(2)`
C. `1380.70 cm^(2)`
D. None of these

Answer

A