Page 164 - NUMINO Challenge_B1
P. 164
4 3 The maximum numbers of sections are 2, 4, 7,
1
11, and 16. These values can be expressed as 2,

2 2 2, 2 2 3, 2 2 3 4, and 2 2 3 4 5.
3 So, the maximum number of sections that can

be formed by n lines is 2 2 3 4 5

n. Therefore, the maximum number of sections

4 5 6 that can be formed by 6 lines is 2 2 3 4 5
6 22.
Problem solving
4 The maximum number of sections that can be
1 formed by 8 lines is 2 2 3 4 5 6 7 8 37.

Problem solving

1

2

23

12 4 5

Type 12-2 Number of Sections p.106~p.107
1
2

7 11

2 Number of 1 2 345
Lines Drawn 4 7 11 16
34 5
Maximum Number 2
of Sections

2

Answer Key
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