Please solve a, b, c, d

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 29E
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Question

Please solve a, b, c, d

a Show how Pip can complete the circuit by adding less than 120 cm of
track.
b Show how Pip can complete the circuit by adding more than 270 cm
of track.
c Explain why, no matter how the circuit is completed, Pip must place
an even number of additional curved plates.
d Explain why, no matter how the circuit is completed, Pip must place
an odd number of additional straight plates.
Transcribed Image Text:a Show how Pip can complete the circuit by adding less than 120 cm of track. b Show how Pip can complete the circuit by adding more than 270 cm of track. c Explain why, no matter how the circuit is completed, Pip must place an even number of additional curved plates. d Explain why, no matter how the circuit is completed, Pip must place an odd number of additional straight plates.
8
7
6
5
23-11-
T
•
I
7.
2 -
I
1
1
3
I
3-
I
T
4
4
3
2
C
-> 13
1
I
A B C D E
F G H
a Show that the pattern above can be cleared in 11 steps.
b Explain why it is impossible to clear the pattern above in fewer than
11 steps.
c Explain why the following pattern is not clearable.
8
7
6
5
4
3
2
1
A B C D E F G H
d What is the smallest number of tokens that can appear in a non-
clearable pattern? Explain your answer.
O
-> 3
-> 5
--> 9
----> 8
-
-> 11
-> 10
----> 1
O
●
●
Transcribed Image Text:8 7 6 5 23-11- T • I 7. 2 - I 1 1 3 I 3- I T 4 4 3 2 C -> 13 1 I A B C D E F G H a Show that the pattern above can be cleared in 11 steps. b Explain why it is impossible to clear the pattern above in fewer than 11 steps. c Explain why the following pattern is not clearable. 8 7 6 5 4 3 2 1 A B C D E F G H d What is the smallest number of tokens that can appear in a non- clearable pattern? Explain your answer. O -> 3 -> 5 --> 9 ----> 8 - -> 11 -> 10 ----> 1 O ● ●
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