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McGraw-Hill Math Grade 7 Answer Key Lesson 24.1 Points and Lines
Exercises
IDENTIFY
Question 1.
List the points located in the figure below.
Answer:
A, B, C, D
Explanation:
The below figure shown the points located A, B, C and D are vertex.
A point where two or more line segments join together are known as vertex.
Question 2.
How many different points are located in the figure below?
Answer:
8 points
Explanation:
A point where two or more line segments join together are known as vertex.
8 points are located in the above figure.
Each point is one vertex of the above figure.
Question 3.
Do the figures for exercises 1 and 2 contain any lines? Why or why not?
Answer:
No, line must stretch infinitely in both directions.
Explanation:
The above solid figures given in 1 and 2 dose not contain any lines.
Question 4.
List all possible names for the line pictured below.
Answer:
\(\overleftrightarrow{XY}\), \(\overleftrightarrow{YX}\), \(\overleftrightarrow{ZX}\), \(\overleftrightarrow{XZ}\), \(\overleftrightarrow{ZY}\) and \(\overleftrightarrow{YZ}\),
Explanation:
The above figure is a line with two points on the line X and Y with a center point Z and pointed.
the possible names for the line pictured are written below,
\(\overleftrightarrow{XY}\), \(\overleftrightarrow{YX}\), \(\overleftrightarrow{ZX}\), \(\overleftrightarrow{XZ}\), \(\overleftrightarrow{ZY}\), \(\overleftrightarrow{YZ}\).