解题思路:
依题意知,
AE
=
C
E
(
折叠性质
)
。设
C
E
=
x
cm
,则
E
B
=
(
8
−
x
)
cm
在
Rt
△
C
BE
中,
解得
x
=
5
cm
,则
BE
=
3
cm
S
△
C
E
B
=
BE
×
B
C
=
3
×
4
=
6
cm
6cm
<>
解题思路:
依题意知,
AE
=
C
E
(
折叠性质
)
。设
C
E
=
x
cm
,则
E
B
=
(
8
−
x
)
cm
在
Rt
△
C
BE
中,
解得
x
=
5
cm
,则
BE
=
3
cm
S
△
C
E
B
=
BE
×
B
C
=
3
×
4
=
6
cm
6cm
<>