4. An imitation pearl eardrop consists of a spherical segment which is surmounted by a cone. Thecone and the segment have a common base. The slant height of the cone is equal to the radius ofthe sphere of which the segment is a part. Find the amount of material used in manufacturing100,000 of these eardrops if the radius of the sphere is % in. and the altitude of the surmountingcone is 3/8 in.5. An 80-ft flagpole has upper and lower diameters of 4 and 16 in., respectively. Find the cost ofpainting it at 10 cents per square foot.

4. Given that, R=Radius of sphere, slant height of cone =12 inch l= altitude =38 inch Let r be the…

Answered: 5. An 80-ft flagpole has upper and…

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Algebra

5. An 80-ft flagpole has upper and lower diameters of 4 and 16 in., respectively. Find the cost of

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

Section9.4: Polyhedrons And Spheres

Problem 24E: A calendar is determined by using each of the 12 faces of a regular dodecahedron for one month of...

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Question

4. An imitation pearl eardrop consists of a spherical segment which is surmounted by a cone. The
cone and the segment have a common base. The slant height of the cone is equal to the radius of
the sphere of which the segment is a part. Find the amount of material used in manufacturing
100,000 of these eardrops if the radius of the sphere is % in. and the altitude of the surmounting
cone is 3/8 in.
5. An 80-ft flagpole has upper and lower diameters of 4 and 16 in., respectively. Find the cost of
painting it at 10 cents per square foot.

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