Page 148 - NUMINO TB_4B
P. 148
088_G4U30_G5U13˙—» ¿º 2011.3.24 9:40 AM ˘ ` 137 PDF out 2540DPI 150LPI T

Activity 2 Graph Relationships

Find the relationship between the number of triangles and the perimeter
of the figure.

1 unit1 unit
1 unit

Fill in the blanks at the table and complete the graph.

Number of Perimeter, Perimeter (unit) 8
Triangles, x (unit), y 7
3 6
1 4 5
2 5 4
3 3
4 6 2
5 1
7

0 1 23 4 5 6 7 8

Number of Triangles

Find the relationship between the number of triangles and the
perimeter of the figure. Then find the perimeter of the figure, which is
made of 6 triangles.

30. Finding Places 137
   143   144   145   146   147   148   149   150   151   152   153