Mathematics for IGCSE & O level - Mensuration (Section 11 - No. 35)
What is the total surface area of a cylinder with a radius of 3cm and a height of 7cm?
188.5 cm²
188.5 cm³
94.2 cm²
94.2 cm³
Giải thích
Total Surface Area = 2πr(r+h) = 2*π*3*(3+7) = 188.5 cm²