Trigonometric Ratios Worksheet Page 20
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22A
2. Determine the measure of angle .
a)
A
Unless specified otherwise, all angles are
7 m
between 0° and 360°. Round all lengths to
B
the nearest tenth of a unit and all angle
9 m
measures to the nearest degree.
11 m
1. Determine the length of the indicated
side.
C
a)
A
b)
D
80°
8 cm
13 cm
13 cm
15 cm
E
B
a
10 cm
C
F
b)
f
E
c)
N
N
D
22.4 m
22.4 m
8.6 m
8.6 m
P
P
17 km
14 km
15.8 m
15.8 m
M
M
78°
d)
F
X
X
19.2 km
19.2 km
c)
J
13.2 km
13.2 km
Y
Y
k
18 m
12.0 km
12.0 km
Z
Z
L
38°
23 m
3. Determine the length of the indicated
K
side.
a) In △ABC, ∠A = 32�, �, , b = 22 cm,
d)
Q
and c = 15 cm. Determine a.
53°
b) In △DEF, ∠F = 71�, �, , d = 9 m,
9 cm
7 cm
and e = 5 m. Determine f.
4. Sketch, and then solve if possible.
R
P
q
a) In △ABC, ∠A = 48�, b = 18 cm,
and c = 12 cm.
e)
T
T
s
s
b) In △JKL, j = 23 cm, k = 25 cm,
U
U
and l = 27 cm.
5.2 cm
5.2 cm
c) In △PQR, p = 15 m, q = 17 m,
10.1 cm
10.1 cm
78°
78°
and r = 20 m.
d) In △DEF, ∠D = 62�, e = 12 m,
S
S
and f =10 m.
20 MHR • Chapter 1 978-0-07-090893-2
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