6. name two angles.
∠dec ë ∠aeb
7. what is another name for line s?
8. what is another name for $overline{db}$?
9. name all the rays with endpoint e.
10. name three points that are collinear.

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Accepted Answer

### Question 6
# Brief Explanations:
To name angles, we can use the vertex and two points on the sides. For example, ∠AED (with vertex E, sides EA and ED) and ∠BEC (with vertex E, sides EB and EC). Other valid angles could be ∠DEC, ∠AEB, etc.
# Answer:
∠AED, ∠BEC (or other valid pairs like ∠DEC, ∠AEB)

### Question 7
# Brief Explanations:
A line can be named using any two points on it. Line $ s $ passes through points A, E, and C. So another name for line $ s $ is line $ AC $ (or line $ AE $, line $ EC $).
# Answer:
Line $ AC $ (or Line $ AE $, Line $ EC $)

### Question 8
# Brief Explanations:
A segment can be named using its two endpoints in either order. Segment $ \overline{DB} $ has endpoints D and B, and also passes through E. So another name is $ \overline{BD} $ (or $ \overline{DE} $, $ \overline{EB} $, but $ \overline{BD} $ is the most direct swap of endpoints).
# Answer:
$ \overline{BD} $ (or $ \overline{DE} $, $ \overline{EB} $)

### Question 9
# Brief Explanations:
A ray has an endpoint and extends infinitely in one direction. With endpoint E, we look at the lines through E. On line $ s $, we have ray $ EA $ (extending through A) and ray $ EC $ (extending through C). On line $ t $, we have ray $ ED $ (extending through D) and ray $ EB $ (extending through B).
# Answer:
$ \overrightarrow{EA} $, $ \overrightarrow{EC} $, $ \overrightarrow{ED} $, $ \overrightarrow{EB} $

### Question 10
# Brief Explanations:
Collinear points lie on the same line. Points A, E, C lie on line $ s $. Points D, E, B lie on line $ t $. So we can name A, E, C (or D, E, B).
# Answer:
A, E, C (or D, E, B)

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Question 6

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Question 7