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Category | Format | Size |
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People's Education Press Eighth Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Determination of Congruent Triangles" Congruent Triangles PPT Courseware 3
review
1.What are congruent triangles?
2. What are the methods to determine if two triangles are congruent?
Side-by-side: Two triangles with three corresponding equal sides are congruent.
Angular Side: Two triangles that have two congruent sides and their corresponding angles are equal.
Angle-side-angle determination theorem
Two triangles are congruent (abbreviated as "angle-side-angle" or "ASA") with two angles and corresponding equal sides.
Two triangles are congruent (abbreviated as "angle-angle-side" or "AAS") that have two angles and one of their corresponding equal sides.
summary
1. Can you summarize the methods we have learned to determine whether triangles are congruent?
Pay attention to the difference between the corners and sides of corners and corners.
2. Choose the appropriate method according to the meaning of the question.
3. To prove that line segments or angles are equal is to prove that the two triangles in which they are located are congruent.
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For more information about the PPT courseware "Judgment of Congruent Triangles Congruent Triangles", please click on the Judgment of Congruent Triangles ppt Congruent Triangles ppt tag.
"Determination of Congruent Triangles" PPT courseware 5:
"Determination of Congruent Triangles" PPT Courseware 5 Teaching Objectives In the teaching of this lesson, not only should students learn how to identify congruent triangles with sides, angles, and sides, but more importantly, students should master the method of researching problems and initially Understand the mathematical ideas of classification discussion. From...
"Determination of Congruent Triangles" PPT courseware 4:
"Determination of Congruent Triangles" PPT Courseware 4 Write the converse of the following proposition. The corresponding sides of congruent triangles are equal, the corresponding angles are equal, the corresponding sides are equal, and the corresponding angles are equal. Conjecture that each triangle has three sides and three angles , if you want to judge two triangles...
"Determination of Congruent Triangles" PPT courseware 3:
"Determination of Congruent Triangles" PPT Courseware 3 Discussion: In the above, according to the given conditions, two triangles with different shapes are drawn. This shows that when the two sides of the two triangles and the opposite angle of one of the sides are equal, , these two triangles are not necessarily congruent, do you think...
File Info
Update Time: 2024-10-22
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