A cone is made by cutting off a sector as shown below from a circle and gluing the straight edges of the sector. The cone formed...

A cone is made by cutting off a sector as shown below from a circle and gluing the straight edges
of the sector. The cone formed has slant height 14cm and circular base of perimeter 11cm


(a) Calculate the value of theta
(b) The radius of the cone’s circular base
(c) The height of the cone.
(d) The cone is cut uniformly on a horizontal plane 1cm below the apex. Calculate the slant
height of the frustum so formed correct to 2 decimal places.

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Wilfykil answered the question on August 13, 2019 at 05:31

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