Test:
Triangles - Ambitious
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Question 1:
Find
α
A
α
=
110
°
B
α
=
120
°
C
α
=
140
°
D
α
=
130
°
Question 2:
Find
α
A
α
=
48
°
B
α
=
44
°
C
α
=
36
°
D
α
=
32
°
Question 3:
Find
α
A
α
=
111
°
B
α
=
102
°
C
α
=
89
°
D
α
=
110
°
Question 4:
Find
c
A
c
=
7
B
c
=
4
C
c
=
6
D
c
=
5
Question 5:
Find
c
A
c
=
6
B
c
≅
6
.07
C
c
=
5
D
c
≅
5
.69
Question 6:
△
A
B
C
is isosceles. Find
α
, where
β
=
75
°
A
α
=
60
°
B
α
=
40
°
C
α
=
35
°
D
α
=
30
°
Question 7:
Find the height of an isosceles triangle with the base
5
c
m
and sides
7
c
m
A
h
=
6cm
B
h
≅
6
.23cm
C
h
≅
6
.54cm
D
h
≅
5
.78cm
Question 8:
Find the area of an isosceles triangle with the base
8
c
m
and sides
10
c
m
A
A
△
=
8
21
c
m
B
A
△
=
12.73
c
m
C
A
△
=
28.13
c
m
D
A
△
=
23
1
3
c
m
Question 9:
Find
α
A
α
=
60
°
B
α
=
52
°
C
α
=
53
°
D
α
=
46
°
Question 10:
Find the area of
△
C
D
E
, where
△
A
B
C
is equilateral with the sides
6
c
m
A
A
=
3
2
3
c
m
2
B
A
=
2
3
5
c
m
2
C
A
=
3
c
m
2
D
A
=
3
1
4
c
m
2
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