The curved surface area of a cone of radius 'r', height 'h' and slant height 'l' is ___.

π r l

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r + l

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π r l (l + h)

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2 π l

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Solution

The correct option is A $π r l$

The curved surface area of a cone is given by $π r l$ ,
where $^{'} r^{'}$ is the radius of the base of the cone and $^{'} l^{'}$ is its slant height.

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The curved surface area of a cone of radius 'r', height 'h' and slant height 'l' is ___.

The correct option is A πrl The curved surface area of a cone is given by πrl, where ′r′ is the radius of the base of the cone and ′l′ is its slant height.

The correct option is A $π r l$

The curved surface area of a cone is given by $π r l$ ,
where $^{'} r^{'}$ is the radius of the base of the cone and $^{'} l^{'}$ is its slant height.