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Mathematics
Mensuration
Cylinder
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Multiple Choice
What is the formula for the total surface area of a cylinder?
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$4\pi r^2$
$2\pi r (r + h)$
$\pi r h^2$
$3\pi r^2 h$
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If the radius of a cylinder is doubled and the height is kept the same, how does the total surface area change?
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It doubles
It quadruples
It stays the same
It triples
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If the height of a cylinder is tripled while the radius remains unchanged, how does the total surface area change?
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It triples
It stays the same
It doubles
It increases by a factor of six
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What happens to the total surface area of a cylinder if both the radius and height are halved?
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It remains the same
It is reduced by half
It is reduced to one-fourth
It increases
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A cylinder has a base radius of 5 cm and a height of 10 cm. What is the total surface area?
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$150\pi$ square cm
$200\pi$ square cm
$250\pi$ square cm
$300\pi$ square cm
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