WorksheetsM3 Maths Unit 1 - Right-Angled Triangles REVISION
Total questions: 28
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
Identify the hypotenuse.
a)
x
b)
z
c)
w
2.
What is the length of x?
a)
5
b)
7
c)
8
d)
25
3.
What is the length of x?
a)
5.7
b)
10.6
c)
20
d)
400
4.
solve for c
a)
7
b)
9
c)
4
d)
13
5.
Is this triangle a right triangle?
a)
yes
b)
no
6.
What's the hypotenuse?
a)
9
b)
10.2
c)
5
7.
Calculate the length of b in this triangle.
a)
31
b)
36
c)
60
d)
62
8.
What kind of triangles does the Pythagorean Theorem work with?
a)
Right
b)
Left
c)
Isosceles
d)
Equilateral
9.
What is the formula used to solve for the hypotenuse?
a)
a2+b2=c2
b)
a+b=c
c)
a2-b2=c2
d)
c-a=c
10.
solve for c
a)
7
b)
9
c)
4
d)
13
11.
We can use SOH-CAH-TOA for...
a)
Any triangle ever
b)
Non-right triangles only
c)
Right Triangles only
d)
Never
12.
Find cosA
a)
30/16
b)
30/34
c)
30/15
d)
16/34
13.
FInd tanX
a)
32/40
b)
40/24
c)
32/24
d)
24/32
14.
Find sinA
a)
32/40
b)
32/24
c)
24/40
d)
24/32
15.
Find cosC
a)
16/34
b)
16/30
c)
30/34
d)
34/16
16.
Find sinC
a)
21/35
b)
28/21
c)
35/28
d)
28/35
17.
Find tanZ
a)
35/21
b)
21/28
c)
35/28
d)
28/21
18.
What is the side across from the right angle called?
a)
Leg
b)
Pythagoras
c)
Hypotenuse
d)
Altitude
19.
Which trig function would you use with this diagram?
a)
Sin
b)
Cos
c)
Tan
d)
Wha??
20.
What is the correct ratio?
a)
sin 40 = w/28
b)
cos 40 = w/28
c)
tan 40 = w/28
d)
sin 40 = 28/w
21.
Which is the correct ratio?
a)
sin 28 = x/14
b)
cos 28 = x/14
c)
tan 28 = x/14
d)
tan 28 = 14/x
22.
Find cos A
a)
30/16
b)
30/34
c)
30/15
d)
16/34
23.
What does SOH stand for
a)
hypotenuse over opposite
b)
adjacent over opposite
opposite over adjacent
opposite over adjacent
c)
opposite over hypotenuse
d)
adjacent over adjacent
24.
What does CAH stand for
a)
cosine is the adjective over the hypotenuse.
b)
cosine is the adjacent side over the hypotenuse side.
c)
cosine is the adjacent side over the hippopotamus.
d)
cosine is the hypotenuse side over the adjacent side.
25.
What is the ratio for tangent?
a)
O/A
b)
A/O
c)
A/H
d)
O/H
26.
What is the ratio for sine?
a)
O/H
b)
H/A
c)
H/O
d)
O/A
27.
What is the ratio for cosine?
a)
H/A
b)
O/A
c)
A/H
d)
A/O
28.
How do you know which side is the OPPOSITE?
a)
It is next to the right angle
b)
It is opposite the right angle
c)
It is across from the angle
d)
It is the bottom leg of the triangle
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