- 42 -
T
H
IS
IS
A
1
5
°
S
L
O
P
E
T
H
IS
IS
A
1
0
°
S
L
O
P
E
T
H
IS
IS
A
5
°
S
L
O
P
E
ALIGN THIS EDGE WITH A VERTICAL SURFACE
(TREE, BUILDING, FENCE POST, POLE ETC.)
E
X
A
M
P
L
E
: C
O
M
P
A
R
E
S
L
O
P
E
W
IT
H
F
O
L
D
E
D
E
D
G
E
.
F
O
L
D
A
L
O
N
G
A
P
P
R
O
P
R
IA
T
E
L
IN
E
T
H
IS
IS
A
2
0
° S
L
O
P
E