| Category | Format | Size |
|---|---|---|
| Qingdao Edition Seventh Grade Mathematics Volume 2 | pptx | 6 MB |
"Opposite Angle" PPT courseware
Description
"Opposite Angle" PPT courseware
learning target
1. Understand the concept of antipodal angles and be able to identify antipodal angles in figures.
2. Be able to reason out the properties of equality of vertex angles.
3. Be able to reason and calculate using the property that vertex angles are equal.
Observe and think
1. Look at page 15 of the textbook, observe and think, and find out what is the opposite vertex angle?
Name the characteristics of the opposite vertex angle.
2. Find the opposite vertex angles in the figure below
properties of vertex angles
If two angles are opposite vertex angles, then the two angles are congruent.
The property used to prove is: the supplementary angles of the same angle are equal
Class summary
1. Talk about the knowledge learned in this section.
Definition Properties
2. Homework: Questions 2 and 3 on page 18 of the textbook
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For more information about the PPT courseware "Diagonal Diagonal", please click the Diagonal Diagonal ppt tab.
"Opposite Angle" PPT courseware 3:
"Opposite Vertex Angle" PPT Courseware 3 Experiment and Investigation 1 Among the four angles obtained by the intersection of two straight lines, what are the characteristics of each two angles at the vertex and side? Exercise 1 Are 1 and 2 in the picture below opposite corners? Why? Exercise 2 As shown in the figure, straight lines AE and BD intersect at point O, ..
"Opposite Angle" PPT Courseware 2:
"Opposite Vertical Angle" PPT Courseware 2 Learning Objectives: 1. Understand the concept of opposite vertex angles and be able to identify them in graphics; 2. Master the properties of equality of opposite vertex angles and be able to use the properties of opposite vertex angles for related reasoning and calculations. Preview before class 1. If 1+ 2= 180, then 1 and 2 ____..
File Info
Update Time: 2024-06-29
This template belongs to Mathematics courseware Qingdao Edition Seventh Grade Mathematics Volume 2 industry PPT template
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