Fig. 13.47 shows a lampshade in the form of a
frustum of a cone of which
the top and
bottom
diameters are 24cm and 36cm respectively. If
the vertical height is 20cm, find, in terms of л,
the area of the material of the lampshade.

Question

03-06-2024
Mathematics

Answered

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Fig. 13.47 shows a lampshade in the form of a
frustum of a cone of which
the top and
bottom
diameters are 24cm and 36cm respectively. If
the vertical height is 20cm, find, in terms of л,
the area of the material of the lampshade.

Sagot :

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