A lampshade is in the shape of a frustum of a cone. The vertical height of the shade is 25 cm and the diameters of the ends are 20 cm and 10 cm, respectively. Determine the area needed to form the lampshade

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.CR: Review Exercises
Problem 2CR: The base of a right prism is a triangle whose sides measure 7cm, 8cm and 12cm. The altitude of the...
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A lampshade is in the shape of a frustum of a cone. The vertical height of the shade is 25 cm and the diameters of the ends are 20 cm and 10 cm, respectively. Determine the area needed to form the lampshade. 

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