15. What is the solid generated by rotating a right triangle about one of its legs as an axis? a) Conical Surface b) Cylindrical Surface c) Circular Cylinder d) Right Circular Cone

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
Section9.2: Pyramids, Area, And Volume
Problem 32E
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_15. What is the solid generated by rotating a right triangle about one of its legs as an axis?
a) Conical Surface
16. Identify a polyhedron with two congruent bases that lie in parallel planes, and whose every section that is parallel to a
base has the same area as that of the base.
a) Prism
_17. A rectangular solid whose dimensions are 4cm, 8cm, and 12cm is inscribed in a sphere. What is the diagonal
of the rectangular solid?
a) 7.49 cm
18. In question 17, what is the surface area of the sphere in cm??
a) 176.24
b) Cylindrical Surface
c) Circular Cylinder
d) Right Circular Cone
b) Pyramid
c) Circular Cylinder
d) Right Circular Cone
b) 8.94 cm
c) 14.42 cm
d) 14.97 cm
b) 251.09
c) 704.03
d) 1,405.25
Transcribed Image Text:_15. What is the solid generated by rotating a right triangle about one of its legs as an axis? a) Conical Surface 16. Identify a polyhedron with two congruent bases that lie in parallel planes, and whose every section that is parallel to a base has the same area as that of the base. a) Prism _17. A rectangular solid whose dimensions are 4cm, 8cm, and 12cm is inscribed in a sphere. What is the diagonal of the rectangular solid? a) 7.49 cm 18. In question 17, what is the surface area of the sphere in cm?? a) 176.24 b) Cylindrical Surface c) Circular Cylinder d) Right Circular Cone b) Pyramid c) Circular Cylinder d) Right Circular Cone b) 8.94 cm c) 14.42 cm d) 14.97 cm b) 251.09 c) 704.03 d) 1,405.25
The surface area of a sphere inscribed in a regular tetrahedron is 144n cm?.
21. What is the radius of the sphere?
a) 12 cm
22. What is the altitude of the tetrahedron?
a) 20 cm
b) 7 cm
c) 6 cm
d) 5 cm
b) 24 cm
c) 28 cm
d) 48 cm
23. If a sphere is inscribed in a cube of side 12cm, what is the volume of the sphere?
а) 36я ст3
b) n cm?
с) 288т ст3
d) 972n cm
Transcribed Image Text:The surface area of a sphere inscribed in a regular tetrahedron is 144n cm?. 21. What is the radius of the sphere? a) 12 cm 22. What is the altitude of the tetrahedron? a) 20 cm b) 7 cm c) 6 cm d) 5 cm b) 24 cm c) 28 cm d) 48 cm 23. If a sphere is inscribed in a cube of side 12cm, what is the volume of the sphere? а) 36я ст3 b) n cm? с) 288т ст3 d) 972n cm
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