To solve the problems related to the image, let's analyze each question step by step. The image shows a geometric figure with points, lines, rays, and line segments labeled.
Figure:
The figure contains:
- Points labeled as \( A, B, C, D, E, F \).
- Lines, rays, and line segments connecting these points.
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Part (a): Name all the points.
The points in the figure are:
- \( A \)
- \( B \)
- \( C \)
- \( D \)
- \( E \)
- \( F \)
Answer: \( A, B, C, D, E, F \)
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Part (b): Name three rays.
A ray starts at a point and extends infinitely in one direction. From the figure:
1. Ray starting at \( A \) and extending through \( B \): \( \overrightarrow{AB} \)
2. Ray starting at \( C \) and extending through \( D \): \( \overrightarrow{CD} \)
3. Ray starting at \( E \) and extending through \( F \): \( \overrightarrow{EF} \)
Answer: \( \overrightarrow{AB}, \overrightarrow{CD}, \overrightarrow{EF} \)
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Part (c): Name two line segments.
A line segment has two endpoints. From the figure:
1. Line segment between \( A \) and \( B \): \( \overline{AB} \)
2. Line segment between \( C \) and \( D \): \( \overline{CD} \)
Answer: \( \overline{AB}, \overline{CD} \)
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Part (d): Name the line two ways.
A line extends infinitely in both directions. From the figure, the line can be named using any two points on it:
1. Using points \( A \) and \( C \): \( \overleftrightarrow{AC} \)
2. Using points \( B \) and \( D \): \( \overleftrightarrow{BD} \)
Answer: \( \overleftrightarrow{AC}, \overleftrightarrow{BD} \)
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Part (e): Name the line that contains the point \( E \).
The point \( E \) lies on the line that extends infinitely in both directions. This line can be named using any two points on it:
- Using points \( E \) and \( F \): \( \overleftrightarrow{EF} \)
Answer: \( \overleftrightarrow{EF} \)
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Part (f): Name its opposite ray.
An opposite ray starts at the same point but extends in the opposite direction. If we consider the ray \( \overrightarrow{EF} \):
- The opposite ray would start at \( F \) and extend through \( E \): \( \overrightarrow{FE} \)
Answer: \( \overrightarrow{FE} \)
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Part (g): Name the endpoint of the ray \( \overrightarrow{TT} \).
The notation \( \overrightarrow{TT} \) suggests a degenerate ray where the starting point and the direction point are the same. Therefore, the endpoint is \( T \).
Answer: \( T \)
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Final Answers:
\[
\boxed{
\begin{array}{l}
\text{(a)} \ A, B, C, D, E, F \\
\text{(b)} \ \overrightarrow{AB}, \overrightarrow{CD}, \overrightarrow{EF} \\
\text{(c)} \ \overline{AB}, \overline{CD} \\
\text{(d)} \ \overleftrightarrow{AC}, \overleftrightarrow{BD} \\
\text{(e)} \ \overleftrightarrow{EF} \\
\text{(f)} \ \overrightarrow{FE} \\
\text{(g)} \ T \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of line segment worksheet 4th grade.
