Question

glo. A tin can is to be painted blue on its surface. What will be the total area of the
tin can that will be covered by paint if its radius is 3 cm and its height is 7 cm?
(use t = 3.14)​

Answer 1

Answer:

188.4

Step-by-step explanation:

area of base = 2πr^2 = 2×3.14×3^2 = 56.52cm^2

area of side =2πrh = 2×3.14×3×7 = 131.88 cm^2

therefore, area of the cylindrical tin can that will be covered by paint = area of base + area of side = 56.52 +131.88 = 188.4cm^2