Question

b. A closed metal cylindrical container has a base radius of 5 cm and a height of 12 cm.

i- Calculate the total surface area of the container.

The lid of the container is now removed. The exterior of the container, including the

base, is painted green.

ii- Express the area of the container that is painted as a percentage of the total surface

area found in (i).
explain with step by step​

Answer 1

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