engineering recuitment UPSSSC Assistant Boring Technician 2022 Mock Test Quantitative Aptitude Mensuration Solid Figures
A workman wants to paint the top and bottom portions of a cylindrical object. What is the total surface area he would have to paint if it has a radius of 7 cm and a height of 10 cm?
1
100π cm2
2
98π cm2
3
50π cm2
4
105π cm2