A
P
=
2
.
0
0
a
n
g
l
e
A
P
B
=
1
3
5
.
0
0
°
B
P
=
3
.
5
4
a
n
g
l
e
A
P
C
=
1
3
5
.
0
0
°
C
P
=
3
.
5
4
a
n
g
l
e
B
P
C
=
9
0
.
0
0
°
A
P
+
B
P
+
C
P
=
9
.
0
7
a
n
g
l
e
A
F
B
=
1
2
0
.
0
0
°
A
F
+
B
F
+
C
F
=
8
.
8
3
a
n
g
l
e
A
F
C
=
1
2
0
.
0
0
°
a
n
g
l
e
B
F
C
=
1
2
0
.
0
0
°