a
n
g
l
e
0
.
3
2
l
e
f
t
0
.
3
r
i
g
h
t
6
.
9
8
b
o
t
t
o
m
0
.
6
2
t
o
p
6
.
3
7
n
u
m
b
e
r
o
f
s
q
u
a
r
e
s
i
s
2
8
f
l
o
o
r
(
6
.
6
8
)
×
f
l
o
o
r
(
5
.
7
5
)
=
3
0