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WorksheetsQuiz on 4-4 and 4-5 Grade 9
Total questions: 20
Worksheet time: 3600secs
Name
Class
Date
1.
Which side is the short leg of this 30-60-90 triangle?
a)
6
b)
m
c)
n
2.
What is the length of x in this 45-45-90 triangle?
a)
4√2
b)
4
c)
8
d)
4√3
3.
What is the value of x?
a)
2
b)
18
c)
2√9
d)
9√2
4.
Find x.
a)
6√3
b)
8√3
c)
24
d)
12√3
5.
Find the size of the angle labelled x (to 1dp)
a)
60.0°
b)
30.0°
c)
26.6°
d)
63.4°
6.
Find the size of the angle labelled x (to 1dp)
a)
36.9°
b)
53.1°
c)
38.7°
d)
51.3°
7.
a)
20.35
b)
12.72
c)
14.99
d)
21.83
8.
a)
9.28
b)
2.87
c)
2.97
d)
8.76
9.
a)
34.64
b)
40.00
c)
23.09
d)
38.23
10.
Find cos A
a)
30/16
b)
30/34
c)
30/15
d)
16/34
11.
Find sinC
a)
21/35
b)
28/21
c)
35/28
d)
28/35
12.
FInd tanX
a)
32/40
b)
40/24
c)
32/24
d)
24/32
13.
Find cosC
a)
16/34
b)
16/30
c)
30/34
d)
34/16
14.
Find sinA
a)
32/40
b)
32/24
c)
24/40
d)
24/32
15.
Find sinC
a)
21/35
b)
28/21
c)
35/28
d)
28/35
16.
What is the height of the tree? Round the the nearest foot.
a)
38 ft
b)
63 ft
c)
20 ft
d)
98 ft
17.
What is the value of d? Round to the nearest tenth of a meter.
a)
18.9 m
b)
19.5 m
c)
47 m
d)
27.5 m
18.
What is the ratio for Sine?
a)
Hyp/Opp
b)
Opp/Hyp
c)
Opp/Adj
d)
Adj/Opp
19.
What is the ratio for Tangent
a)
Opp/Adj
b)
Adj/Opp
c)
Opp/Hyp
d)
Hyp/Opp
20.
What is the correct equation to solve for x?
a)
tan (45) = x/13
b)
cos (45) = x/13
c)
sin (45) = 13/x
d)
sin (45) = x/13
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