Righ
t
T
r
ia
n
gle T
r
ig
onom
e
try
—
P
r
ac
t
ice Se
t
(
100
Q
u
e
st
i
ons
,
M
u
l
t
i
p
le Ch
o
ice
)
EOC
-sty
le
pr
ac
t
ice
.
A
nsw
e
r
ke
y
prov
ided i
n
a
s
e
p
a
r
a
t
e d
o
c
um
e
nt.
1
.
A
r
igh
t
tr
ia
n
gle ha
s
leg
s
o
f
9
a
n
d
12
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he h
ypot
e
nus
e
.
A
)
15
B
)
13
C
)
21
D
)
17
2
.
A
r
igh
t
tr
ia
n
gle ha
s
a h
ypot
e
nus
e
o
f
25
a
n
d
on
e leg
o
f
7
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he
ot
he
r
leg
.
A
)
24
B
)
26
C
)
18
D
)
22
3
.
A
tr
ia
n
gle ha
s
s
ide
s
10
,
24
,
26
.
U
s
i
n
g
t
he C
onv
e
rs
e
o
f
t
he P
yt
hag
or
ea
n
The
or
e
m
,
cla
ss
if
y
t
he
tr
ia
n
gle
.
A
)
ac
ut
e
B
)
r
igh
t
C
)
o
b
tus
e
D
)
ca
nnot
be de
t
e
rm
i
n
ed
4
.
A
45
-
45
-
90
tr
ia
n
gle ha
s
a leg
o
f le
n
g
t
h
13
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he h
ypot
e
nus
e
.
A
)
13
√
2
B
)
13
√
3
C
)
13
D
)
26
5
.
A
45
-
45
-
90
tr
ia
n
gle ha
s
a h
ypot
e
nus
e
o
f le
n
g
t
h
5
√
2
.
Fi
n
d
t
he le
n
g
t
h
o
f each leg
.
A
)
10
B
)
5
√
2
C
)
5
√
3
D
)
5
6
.
A
30
-
60
-
90
tr
ia
n
gle ha
s
a
s
h
ort
leg
o
f
6
.
Fi
n
d
t
he l
on
g leg a
n
d
t
he h
ypot
e
nus
e
.
A
)
l
on
g leg
=
6
√
3
,
h
ypot
e
nus
e
=
18
B
)
l
on
g leg
=
12
,
h
ypot
e
nus
e
=
6
√
3
C
)
l
on
g leg
=
6
√
3
,
h
ypot
e
nus
e
=
12
D
)
l
on
g leg
=
6
√
2
,
h
ypot
e
nus
e
=
12
7
.
A
30
-
60
-
90
tr
ia
n
gle ha
s
a h
ypot
e
nus
e
o
f
28
.
Fi
n
d
t
he
s
h
ort
leg a
n
d
t
he l
on
g leg
.
A
)
s
h
ort
leg
=
14
,
l
on
g leg
=
14
√
3
B
)
s
h
ort
leg
=
14
,
l
on
g leg
=
14
√
2
C
)
s
h
ort
leg
=
28
,
l
on
g leg
=
28
√
3
D
)
s
h
ort
leg
=
28
,
l
on
g leg
=
14
√
3
8
.
I
n
a
r
igh
t
tr
ia
n
gle
,
a
n
gle
=
20
°,
h
ypot
e
nus
e
=
18
.
Fi
n
d
t
he
s
ide adjace
nt
to
t
he a
n
gle
(
roun
d
to
n
ea
r
e
st
t
e
nt
h
).
A
)
1
.
1
B
)
16
.
9
C
)
6
.
6
D
)
33
.
8
9
.
I
n
a
r
igh
t
tr
ia
n
gle
,
t
he
s
ide
oppos
i
t
e a
n
gle C
=
14
a
n
d
t
he
s
ide adjace
nt
to
a
n
gle C
=
8
.
Fi
n
d
a
n
gle C
(
roun
d
to
n
ea
r
e
st
t
e
nt
h
)
us
i
n
g i
nv
e
rs
e
t
a
n
ge
nt
.
A
)
30
.
1
°
B
)
120
.
5
°
C
)
29
.
7
°
D
)
60
.
3
°
10
.
A
p
e
rson
st
a
n
d
s
50
f
t
f
rom
t
he ba
s
e
o
f a b
u
ildi
n
g a
n
d
m
ea
sur
e
s
a
30
°
a
n
gle
o
f ele
v
a
t
i
on
to
t
he
top
.
Fi
n
d
t
he heigh
t
o
f
t
he b
u
ildi
n
g
(
roun
d
to
n
ea
r
e
st
t
e
nt
h
).
A
)
25
.
0
f
t
B
)
57
.
7
f
t
C
)
28
.
9
f
t
D
)
50
.
0
f
t
11
.
F
rom
t
he
top
o
f a
80
-
f
t
t
all cli
ff
,
t
he a
n
gle
o
f de
pr
e
ss
i
on
to
a b
o
a
t
i
s
35
°.
Fi
n
d
t
he
h
or
i
zont
al di
st
a
n
ce
to
t
he b
o
a
t
(
roun
d
to
n
ea
r
e
st
t
e
nt
h
).
A
)
57
.
1
f
t
B
)
114
.
3
f
t
C
)
56
.
0
f
t
D
)
80
.
0
f
t
12
.
A
p
e
rson
on
t
he g
roun
d
m
ea
sur
e
s
a
n
a
n
gle
o
f ele
v
a
t
i
on
to
a h
ot
ai
r
ball
oon
.
A
p
a
ss
e
n
ge
r
i
n
t
he ball
oon
m
ea
sur
e
s
t
he a
n
gle
o
f de
pr
e
ss
i
on
to
t
he
s
a
m
e
p
e
rson
.
H
ow
d
o
t
he
s
e
two
a
n
gle
s
c
omp
a
r
e
?
A
)
The
y
a
r
e e
qu
al
B
)
The ele
v
a
t
i
on
a
n
gle i
s
al
w
a
ys
la
r
ge
r
C
)
The
y
ca
nnot
be c
omp
a
r
ed
w
i
t
h
out
mor
e i
n
f
orm
a
t
i
on
D
)
The de
pr
e
ss
i
on
a
n
gle i
s
al
w
a
ys
la
r
ge
r
13
.
A
r
igh
t
tr
ia
n
gle ha
s
leg
s
o
f
6
a
n
d
8
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he h
ypot
e
nus
e
.
A
)
8
B
)
10
C
)
14
D
)
12
14
.
A
r
igh
t
tr
ia
n
gle ha
s
a h
ypot
e
nus
e
o
f
20
a
n
d
on
e leg
o
f
12
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he
ot
he
r
leg
.
A
)
18
B
)
8
C
)
16
D
)
14
15
.
A
tr
ia
n
gle ha
s
s
ide
s
8
,
15
,
16
.
U
s
i
n
g
t
he C
onv
e
rs
e
o
f
t
he P
yt
hag
or
ea
n
The
or
e
m
,
cla
ss
if
y
t
he
tr
ia
n
gle
.
A
)
r
igh
t
B
)
o
b
tus
e
C
)
ac
ut
e
D
)
ca
nnot
be de
t
e
rm
i
n
ed
16
.
A
45
-
45
-
90
tr
ia
n
gle ha
s
a leg
o
f le
n
g
t
h
12
.
Fi
n
d
t
he le
n
g
t
h
o
f
t
he h
ypot
e
nus
e
.
A
)
12
√
3
B
)
12
√
2
C
)
24
D
)
12
17
.
A
45
-
45
-
90
tr
ia
n
gle ha
s
a h
ypot
e
nus
e
o
f le
n
g
t
h
13
√
2
.
Fi
n
d
t
he le
n
g
t
h
o
f each leg
.
A
)
13
B
)
13
√
2
C
)
13
√
3
D
)
26
18
.
A
30
-
60
-
90
tr
ia
n
gle ha
s
a
s
h
ort
leg
o
f
2
.
Fi
n
d
t
he l
on
g leg a
n
d
t
he h
ypot
e
nus
e
.
A
)
l
on
g leg
=
2
√
3
,
h
ypot
e
nus
e
=
4
B
)
l
on
g leg
=
4
,
h
ypot
e
nus
e
=
2
√
3
C
)
l
on
g leg
=
2
√
3
,
h
ypot
e
nus
e
=
6
D
)
l
on
g leg
=
2
√
2
,
h
ypot
e
nus
e
=
4
End of Document
322
