WorksheetsCH 13 Review- Right Triangles!
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
What type of special triangle is this?
a)
45°-45°-90°
b)
30°-60°-90°
c)
Equiangular
d)
Equilateral
2.
Find x.
a)
30°
b)
60°
c)
90°
d)
180°
3.
Find x.
a)
10
b)
√3
c)
5
d)
10√3
4.
What is the length of y in this picture?
a)
45
b)
5√2
c)
90
d)
5
5.
What is the length of x in this 45-45-90 triangle?
a)
4√2
b)
4
c)
8
d)
4√3
6.
Find a.
a)
2
b)
4
c)
2/√2
d)
2√3
7.
What is the length of the short leg of this 30-60-90 triangle?
a)
6
b)
36
c)
3
d)
26
8.
In this 30-60-90 triangle, what is the length of the hypotenuse?
a)
4√2
b)
4√3
c)
4
d)
8
9.
In this 30-60-90 triangle, what is the length of the long leg?
a)
6√2
b)
3√3
c)
12
d)
6√3
10.
What is a in this 30-60-90 triangle?
a)
a = 7√3
b)
a = 7√2
c)
a = 14
d)
a = 14√3
11.
Which Trig function do you use?
a)
Sine
b)
Cosine
c)
Tangent
12.
What is the value of x?
a)
17.30
b)
11.33
c)
0.06
d)
23.82
13.
What is the value of x?
a)
9.17
b)
98.13
c)
0.11
d)
26.69
14.
What is the value of x?
a)
4.20
b)
7.32
c)
0.14
d)
4.91
15.
What is the value of x?
a)
42.59
b)
0.03
c)
38.60
d)
8.39
16.
Find the measure of the indicated angle.
a)
9.39
b)
55.2
c)
20.2
d)
19.4
17.
Find the measure of the missing angle.
a)
64o
b)
26o
c)
61o
d)
.008o
18.
Which equation is true?
a)
sin (x) = 11/27
b)
sin (x) = 27/11
c)
cos (x) = 11/27
d)
tan (x) = 11/27
19.
Which equation would you use to solve for the unknown angle?
a)
x = sin–1(4/5)
b)
x = cos–1(4/5)
c)
x = cos–1(5/4)
d)
x = tan–1(4/5)
20.
Solve for x.
a)
x = 90º
b)
x = 60º
c)
x = 45º
d)
x = 30º
100 %
