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Solution: The types of lines for the figures are as follows: Parallel lines. Intersecting lines. Curved line. Vertical line. Example 2: State whether the following is true or false. A line is a set of points in a straight path that extends in opposite directions without ending. A line has a fixed length.
Ms. Hershey reviews parallel and perpendicular lines as well as acute, right, and obtuse angles. We apply this information to classify shapes and figures.
- 15 min
- 172
- UTES Education
Note: Only one straight line can pass through two points. To measure a line segment, follow these following steps. • Take a ruler and put it on the given line segment. e.g. AB • Read the number at points A and B. The difference between these numbers will be the length of AB. Let us understand the lines with an activity.
- Defining Lines. For the following exercises, use this line (Figure 10.4). Figure 10.4. Define DE¯DE¯. Define FF. Define DF↔DF↔. Define EF¯EF¯. Answer.
- Determining the Best Route. View the street map (Figure 10.7) as a series of line segments from point to point. For example, we have vertical line segments AB¯AB¯, BC¯,BC¯, and CD¯CD¯ on the right.
- Identifying Parallel and Perpendicular Lines. Identify the sets of parallel and perpendicular lines in Figure 10.10. Figure 10.10. Answer. Drawing these lines on a grid is the best way to distinguish which pairs of lines are parallel and which are perpendicular.
- Defining Union and Intersection of Sets. Use the line (Figure 10.12) for the following exercises. Draw each answer over the main drawing. Figure 10.12.
In geometry, there are different types of lines such as horizontal and vertical lines, parallel and perpendicular lines. These lines play an important role in the construction of different types of polygons. For example, a square is made by four lines of the same lengths, whereas a triangle is made by joining three lines end to end.
- 5 min
- A line is a figure in geometry, which has only length and no width in a two-dimensional plane and extends infinitely in opposite directions.
- In geometry there are four types of lines: Horizontal Line Vertical lines Parallel lines Perpendicular lines
- A vertical line is a line drawn from the bottom to the top in a straight direction.
- A horizontal line is a line drawn from left to right in a straight direction.
- A line segment is a part of line which has two fixed endpoints.
What are the Endpoints of a Line Segment? A math term can really tell you a lot about the thing it's describing. Take the term 'endpoints'. The endpoints of a line segment are just the 'points' located at the 'ends' of the line segment! That's an informative name! Watch this tutorial to learn about endpoints of a line segment.
People also ask
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Solution: One of the properties of lines and angles states that the sum of the adjacent linear angles formed by a line is 180°. Therefore, 4x + 2x = 180°. 6x = 180°. x = 180°/6 = 30°. We get the value of x as 30°. Hence, the first angle AOB is 4x = 4 × 30 = 120°. The other angle COB is 2x = 2 × 30 = 60°. Answer: x = 30°.
