Question

In a figure, the tent is in the shape of cylinder surmounted by conical top of same diameter. If height and diameter of cylindercal part are 2.1 m and 3m respectively and the slant height of conical part is 2.8m. Find the area.​

Answer 1

Answer:

Height (h) of the cylindrical part = 2.1 m

Diameter of the cylindrical part = 4 m

Radius of the cylindrical part = 2 m

Slant height (l) of conical part = 2.8 m

Area of canvas used = CSA of conical part + CSA of cylindrical part

=πrl+2πrh

=π×2×2.8+2π×2×2.1

=2π[2.8+4.2]

=2×22/2×7

=44m²

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