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...
Related questions
Question
5. Please show steps
![2.
303B
m29 = 60
3.
3'
m21 = 120; mL2 =
m23 = 30
18
60;
m24 = 90; m25 = 45;
9.
kample 2
page 547)
mZ6 = 45
Find the area of each regular polygon with the given apothem a and side length s.
4. pentagon, a = 24.3 cm, s = 35.3 cm
2144.475 cm2
6. octagon, a = 60.4 in., s =50 in.
12,080 in.2
8. decagon, a = 19 m, s = 12.3 m
1168.5 m2
Find the area of each regular polygon. Round your answer to the nearest tenth.
5. 7-gon, a = 29.1 ft, s = 28 ft
2851.8 ft2
7. nonagon, a = 27.5 in., s = 20 in.
2475 in.2
9. dodecagon, a = 26.1 cm, s = 14 cm
2192.4 cm2
ample 3
age 547)
10.
11.
12.
18 ft
8 in.
6 m
841.8 ft2
13. Art The smaller triangles in the Minneapolis sculpture
at the left are equilateral. Each has a 12.7-in. radius.
What is the area of each to the nearest square inch?
27.7 in.2
93.5 m2
30
210 in.2
12.7 in.
Find the area of each regular polygon with the given radius
or apothem. If your answer is not an integer, leave it in
simplest radical form.
15.
14.
384 V3 in.2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50098abc-5959-42c6-af74-c1f5e7cca4be%2Fca884239-63d0-4883-89c3-5b67571251f6%2F9ca35da_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.
303B
m29 = 60
3.
3'
m21 = 120; mL2 =
m23 = 30
18
60;
m24 = 90; m25 = 45;
9.
kample 2
page 547)
mZ6 = 45
Find the area of each regular polygon with the given apothem a and side length s.
4. pentagon, a = 24.3 cm, s = 35.3 cm
2144.475 cm2
6. octagon, a = 60.4 in., s =50 in.
12,080 in.2
8. decagon, a = 19 m, s = 12.3 m
1168.5 m2
Find the area of each regular polygon. Round your answer to the nearest tenth.
5. 7-gon, a = 29.1 ft, s = 28 ft
2851.8 ft2
7. nonagon, a = 27.5 in., s = 20 in.
2475 in.2
9. dodecagon, a = 26.1 cm, s = 14 cm
2192.4 cm2
ample 3
age 547)
10.
11.
12.
18 ft
8 in.
6 m
841.8 ft2
13. Art The smaller triangles in the Minneapolis sculpture
at the left are equilateral. Each has a 12.7-in. radius.
What is the area of each to the nearest square inch?
27.7 in.2
93.5 m2
30
210 in.2
12.7 in.
Find the area of each regular polygon with the given radius
or apothem. If your answer is not an integer, leave it in
simplest radical form.
15.
14.
384 V3 in.2
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