Total surface area of a solid cylinder of height 'h' and radius 'r', which is open from the top is $2 π r (h + r)$ .

True

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False

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Solution

The correct option is B
False

Total surface area of the cylinder above = Area of the Curved surface + Area of the Bottom Surface

$= 2 π r h + π r^{2} = π r (2 h + r)$

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Similar questions

State True or False .
The total surface area of a cylinder of radius 'r' and height 'h' is $2 π r (h + r)$ .

r

h

2 π r (h + r)

2 π r h

The total surface area of a cylinder = $2 π r h + π r^{2}$

4 π r h + 4 π r^{2}

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