Have I worked out the following right:
1 answer:
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Answer:
251.20 cm square
Step-by-step explanation:
As given in figure
height of cylinder = 2 cm
radius of cylinder = 8 cm
lateral surface area of cylinder is given by =
where r is the radius and l is the height
Therefore, lateral surface area of given cylinder
area of base is give by
since there is only one base area of that base
=
Thus,
Total surface area of open cylinder = 50.24 + 200.96 = 251.20 cm square