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WorksheetsUnit 5 Right Triangles w/Trig
Total questions: 30
Worksheet time: 3600secs
Name
Class
Date
1.
Find the missing side
a)
48
b)
108
c)
83.6
d)
72
2.
You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?
a)
25 feet
b)
26 feet
c)
27 feet
d)
28 feet
3.
A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?
a)
111.8 yards
b)
115 yards
c)
127.3 yards
d)
119 yards
4.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
5.
If you are given the two sides that are not the hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
6.
a)
24/32
b)
32/24
c)
32/40
d)
24/40
7.
a)
27/36
b)
27/45
c)
45/36
d)
45/27
8.
Choose the correct ratio.
a)
cos(33)=x/14
b)
sin(33)=x/14
c)
cos(33)=14/x
d)
sin(33)=14/x
9.
Find the measure of angle A using an inverse trig ratio.
a)
61.9 degrees
b)
28.1 degrees
c)
25.2 degrees
d)
.99997 degrees
10.
a)
A
b)
B
c)
C
d)
D
11.
a)
A
b)
B
c)
C
d)
B
12.
What type of special triangle is this?
a)
45°-45°-90°
b)
30°-60°-90°
c)
Equiangular
d)
Equilateral
13.
Find x.
a)
10
b)
√3
c)
5
d)
10√3
14.
Find x.
a)
4
b)
2
c)
√3
d)
2√2
15.
Find x.
a)
30°
b)
60°
c)
90°
d)
180°
16.
Find x.
a)
30°
b)
45°
c)
60°
d)
90°
17.
The Pythagorean Theorem ONLY works on which triangle?
a)
obtuse
b)
scalene
c)
isosceles
d)
right
18.
What is geometric mean of 4 and 9?
a)
5
b)
6
c)
7
d)
8
19.
a)
38.66
b)
36.87
c)
53.13
d)
45.71
20.
Solve for the missing angle.
a)
32°
b)
44°
c)
61°
d)
50°
21.
Find the measure of the indicated angle (?) round to the nearest tenth.
a)
33°
b)
49°
c)
39°
d)
41°
22.
We can use SOH-CAH-TOA for...
a)
Any triangle ever
b)
Non-right triangles only
c)
Right Triangles only
d)
Never
23.
The ratio in a right triangle of adjacent to hypotenuse is _____
a)
sine
b)
cosine
c)
tangent
d)
hypotenuse
24.
What is the ratio for Sine?
a)
Hypotenuse/Opposite
b)
Opposite/Hypotenuse
c)
Opposite/Adjacent
d)
Adjacent/Opposite
25.
What is the ratio for Tangent
a)
Opposite/Adjacent
b)
Adjacent/Opposite
c)
Opposite/Hypotenuse
d)
Hypotenuse/Opposite
26.
What is the ratio for Cosine?
a)
Opposite/Hypotenuse
b)
Opposite/Adjacent
c)
Adjacent/Opposite
d)
Adjacent/Hypotenuse
27.
What is the opposite side to <D?
a)
EF
b)
DF
c)
DE
28.
What is the opposite side to <E?
a)
EF
b)
DF
c)
DE
29.
What is the adjacent side to <D?
a)
EF
b)
DF
c)
DE
30.
From ∠C, what side is AB?
a)
Adjacent
b)
Hypotenuse
c)
Opposite
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