Page 3 - ppt2

Measuring line segments:
Me a s u r i ng l i n e s e g me nt s :

a
e
s
e
ur
M
e
mpl

1:
t
ng
h
f
o
e
t

he
l

.
Exa
.Example 1: Measure the length of

e
n
AB line segment.
A
n
.
t
me
s
e
g

l
i
B
Method
Me t h o d
r
o

he
ul
he
r
ul
he

t
f

t
he

f
l
l

a
a
ng
ng

o
o
t
P P P l a c e t he e d g e o f t he r ul e r a l o ng t he
e
Place the edge of the ruler along the
e

r
r
t
o
l

he
t
he
d
d
e

e
c
e
c
a
a

t

e
l
e
g
g

e
A
line segment AB, keeping the zero
l i ne s e g me n t B , k e e pi ng t he z e r o
nt

a
e
r
e
me
t
t
h
k
i
a

t
e
n
r
r
c

centimetre mark on the ruler at the

he

t
o
m
r
ul
e
point A.
po i nt A .
Read the mark on the ruler at the
R e a d t h e m a r k o n t he r ul e r a t t h e
i
.
po
point B.
nt

B