the inner and outer radii of a cylindrical pipe are 4cm and 5 cm respectively find the area of cross section of the pipe. use pie=3.14
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Cross section area =TT [(R^2)-(r^2)]
=3.14 x [(5)^2 - (4)^2]
=28.26 square meters
=3.14 x [(5)^2 - (4)^2]
=28.26 square meters
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