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Surface Area of Combined Figures

The height of...

Question

The height of the cone is 5.6 cm and diameter of the base is 8.4 cm. Find the area of the curved surface.

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Solution

Diameter of the cone = 8.4 cm

∴ Radius of the cone (r) = 4.2 cm

Height of the cone (h) = 5.6 cm

Slant height of the cone (l)

Curved surface area of cone

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