#10 Use Euler's Formula to find the number of vertices in the polyhedron with 80faces, 6 rectangles and 2 hexagons.A. 8B. 12C. 24D. 18DO9. What is the surface area, in square centimeters, of a sphere with radius 5 cm?A. 1000A=47²r²4(310)(5)314.1610. What is the ratio of the surface areas of similar solids whose similarity ratio is3:5?B. 5003C. 100D. 314A. 6: 10B. 9:15C. 9:25D. 27: 12511. Find the area of an equilateral triangle with side length of 30 ft.A. 779.4 ft²√3 3B. 389.7ft2C. 194.9 ft²D. 405.6 ft²DramA12 Which solid has the least volume?the leastw biosegent=V= 49.ni 8 10 Mgad braSal 2.01meer gvihelime erit boil Br10 in00:52 8389.71Ka cube with edge 8 cmV=9³=512B-5 cylinder with height 8 cm and radius 5 cm = πr²h = 3,14 (5²X8)Va cone with height 8 cm and radius 6 cmV=²= 301.59D. a sphere with radius 4 cm3r²³ = 1/² (3.14) (4³) = 2

Answered: Image /qna-images/answer/767d7101-ce7e-48f5-a9b0-ef75b8cac108.jpg

Answered: 10. What is the ratio of the surface…

10. What is the ratio of the surface areas of similar solids whose similarity ratio is 3:57 A. 6: 10 B. 9:15 C. 9:25 D. 27: 125

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 23E: The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each...

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Question

#10

Use Euler's Formula to find the number of vertices in the polyhedron with 80
faces, 6 rectangles and 2 hexagons.
A. 8
B. 12
C. 24
D. 18
DO
9. What is the surface area, in square centimeters, of a sphere with radius 5 cm?
A. 1000
A=47²r²
4(310)(5)
314.16
10. What is the ratio of the surface areas of similar solids whose similarity ratio is
3:5?
B. 500
3
C. 100
D. 314
A. 6: 10
B. 9:15
C. 9:25
D. 27: 125
11. Find the area of an equilateral triangle with side length of 30 ft.
A. 779.4 ft²
√3 3
B. 389.7ft2
C. 194.9 ft²
D. 405.6 ft²
Dram
A
12 Which solid has the least volume?
the least
w biosegent
=
V= 4
9.ni 8 10 Mgad bra
Sal 2.01
meer g
vihelime erit boil Br
10 in
00:52 8
389.71
Ka cube with edge 8 cm
V=9³=512
B-5 cylinder with height 8 cm and radius 5 cm = πr²h = 3,14 (5²X8)
V
a cone with height 8 cm and radius 6 cm
V=²= 301.59
D. a sphere with radius 4 cm
3r²³ = 1/² (3.14) (4³) = 2

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