Determining Angle Visually - Angles Worksheet With Answers
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1
2Name:
Determining Angle Visually
Determine if the angle shown is acute, obtuse, right or straight.
A n s w e r s
Ex)
1)
2)
obtuse
Ex.
157
90
141
right
1.
obtuse
2.
3)
4)
5)
acute
3.
61
138
90
obtuse
4.
right
5.
6)
7)
8)
obtuse
6.
172
49
54
acute
7.
acute
8.
9)
10)
11)
obtuse
9.
106
21
37
acute
10.
acute
11.
12)
13)
14)
acute
12.
80
154
90
obtuse
13.
right
14.
15)
16)
17)
obtuse
15.
120
71
180
acute
16.
straight
17.
18)
19)
20)
straight
18.
180
90
90
right
19.
right
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
1
11-20 45 40 35 30 25 20 15 10 5
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