Test:
Triangles - Normal
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Question 1:
Find
α
A
α
=
80
∘
B
α
=
90
∘
C
α
=
85
∘
D
α
=
95
∘
Question 2:
Find
α
A
α
=
33
∘
B
α
=
68
∘
C
α
=
57
∘
D
α
=
66
∘
Question 3:
Find the area of a triangle:
A
96
c
m
2
B
48
c
m
2
C
24
c
m
D
72
c
m
2
Question 4:
Which sets of numbers are side lengths of a triangle?
A
5
,
6
,
7
B
5
,
8
,
15
C
2
,
2
,
4
D
4
,
7
,
12
Question 5:
Find the area of the triangle:
A
120
c
m
2
B
90
c
m
2
C
135
c
m
2
D
67.5
c
m
2
Question 6:
Find the length of the side
a
A
a
=
5
c
m
B
a
=
3
c
m
C
a
=
4
c
m
D
a
=
4.5
c
m
Question 7:
Find
α
A
α
=
30
∘
B
α
=
75
∘
C
α
=
45
∘
D
α
=
60
∘
Question 8:
Find the length of the diagonal
d
A
d
=
10
c
m
B
d
=
14
c
m
C
d
=
8
c
m
D
d
=
12
c
m
Question 9:
Which of the below triangles is acute?
A
B
C
D
Question 10:
Which of the below triangles is equilateral?
A
B
C
D
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