A–2
Name
Date
Lines and Strings
You can tie pieces of string
B
A
C
onto a board to make
geometric figures. If you tied a
piece of string from peg A to
peg E, you would label it AE
H
D
The symbol for parallel lines is ||.
For example AG || BF. The
symbol for perpendicular lines
is . For example AG
GE.
G
F
E
Use the board above to solve the exercises.
Find as many ways as you can to tie on pieces of string that are parallel to each
1.
other. Write your answers using symbols.
Find as many ways as you can to tie strings to form perpendicular line segments.
2.
Write your answers using symbols.
How many ways can you make intersecting line segments by crossing a piece of
3.
string with a string tied from peg C to peg G? Write your answers using symbols.
Compare and Contrast Compare perpendicular lines with intersecting lines. How
4.
are the lines alike? How are they different?