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WorksheetsBasic Trigonometry and Right Angle Triangles
Total questions: 22
Worksheet time: 2hrs 35mins
Name
Class
Date
1.
We can use SOH-CAH-TOA for...
a)
Any triangle ever
b)
Non-right triangles only
c)
Right Triangles only
d)
Never
2.
The ratio in a right triangle of adjacent to hypotenuse is _____
a)
sine
b)
cosine
c)
tangent
d)
inverse cosine
3.
Find side AB?
a)
20 m
b)
5 m
c)
11.54 m
d)
8.66 m
4.
Choose the correct ratio.
a)
A
b)
B
c)
C
d)
D
5.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
6.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
7.
Solve for x.
a)
24.20
b)
4.92
c)
290.4
d)
29.75
8.
Solve for x.
a)
50.7
b)
50.1
c)
60.7
d)
61.0
9.
Find tan 89 to two decimal places?
a)
.54
b)
1
c)
.02
d)
57.29
10.
What is the opposite side to <D?
a)
EF
b)
DF
c)
DE
11.
What is the opposite side to <E?
a)
EF
b)
DF
c)
DE
12.
What is the adjacent side to <D?
a)
EF
b)
DF
c)
DE
13.
What is the adjacent side to <E?
a)
EF
b)
DF
c)
DE
14.
What is the ratio of Sin <D?
a)
sin<D = 4/5 = .8
b)
sin<D = 3/5=.6
c)
sin<D = 5/4 =1.25
d)
sin <D = 5/3 = 1.7
15.
What is the ratio of Cos <E?
a)
Cos<E = 5/4 =1.25
b)
Cos<E = 3/5 =.6
c)
Cos<E = 4/5 =.8
d)
Cos<E = 3/4 =.75
16.
What is the ratio of tan <E?
a)
tan<E = 5/4 =1.25
b)
tan<E = 3/5 =.6
c)
tan<E = 4/5 =.8
d)
tan<E = 3/4 =.75
17.
What is the ratio of tan <B?
a)
tan<B = 3/2 =1.5
b)
tan<B = 2/3 =.6
c)
tan<B = 2/3.6 =.55
d)
tan<B = 3.6/3 =1.2
18.
Which trigonometric ratio you would use to find side AB?
a)
Sin 60 = 10/AB
b)
Sin 60 = AB /10
c)
Cos 60 = 10 / AB
Cos 60 = 10 /AB
Cos 60 = 10 /AB
d)
tan 60 = AB /10
19.
Find side AB?
a)
20 m
b)
5 m
c)
11.54 m
d)
8.66 m
20.
Which trigonometric ratio you should use to find the height(h)?
a)
sin 60 = h/1000
b)
cos 60 = h / 1000
c)
cos 60 = 1000/h
d)
tan 60 = h / 1000
21.
Find the height(h)?
a)
2000
b)
50
c)
500
d)
1732.05
22.
Find side a?
a)
10
b)
8.08
c)
14
d)
12.12
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