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Mathematics State Board
Class 10
Mensuration
Surface Area of a Right Circular Cylinder, Hollow Cylinder and Right Circular Cone
13.
Find the slant height of the birthday cap
Exercise condition:
4
m.
The curved surface area of the birthday cap in the shape of a right circular cone is
396
\(cm^2\). If the radius of the cap is
9
\(cm\), then find its slant height.
The slant height of the birthday cap
\(=\)
\(cm\)
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