"Exploring the Conditions for Congruence of Triangles" Triangle PPT (Lesson 2) Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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"Exploring the Conditions for Congruence of Triangles" Triangle PPT (Lesson 2)
Part One: Learning Objectives
1. Experience the process of exploring the congruence conditions of triangles, and experience the process of using operations and induction to obtain mathematical conclusions.
2. Master the "ASA" and "AAS" conditions for congruence of triangles.
3. In the process of exploring the congruence conditions of triangles and their applications, be able to think in an organized manner and conduct simple reasoning.
Exploring the conditions for congruence of triangles PPT, part 2: classic examples
[Example 1] As shown in the figure, points A, C, B, and D are on the same straight line, ∠M=∠N, ∠MAB=∠NCD, AM=CN. Try to explain: △ABM≌△CDN.
Solution: In △ABM and △CDN,
∠M=∠N,AM=CN,∠MAB=∠NCD,
So △ABM≌△CDN(ASA).
[Example 2] As shown in the figure, AB=AE, ∠1=∠2, ∠C=∠D. Try to explain: △ABC≌△AED.
Exploring the conditions for congruence of triangles PPT, Part 3: Variation practice
1. As shown in the figure, in the quadrilateral ABCD, AB∥CD, AD∥BC. Try to explain: △ABD≌△CDB.
2. As shown in the figure, in △ABC, ∠B=∠C, BD=CD, DE⊥AB, DF⊥AC, and the vertical feet are points E and F respectively. Try to explain: △BED≌△CFD
Exploring the conditions for congruence of triangles PPT, Part 4: Consolidate training
3. As shown in the figure, CE⊥AB, DF⊥AB, the vertical feet are E, F, AC∥DB respectively, and AE=BF, then the reason for △AEC≌△BFD is ()
A.SSS B.AAS C.SAS D.ASA
4. As shown in the figure, points B, E, C, and F are on the same straight line. It is known that ∠A=∠D and ∠B=∠DEF. To directly use AAS to explain △ABC≌△DEF, the supplementary condition is ()
A.∠ACB=∠F B.AB=DF
C.AB=DE D.AC=DF
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"Exploring the conditions for congruence of triangles" Triangle PPT courseware (Lesson 3):
"Exploring the Conditions for Congruence of Triangles" Triangle PPT Courseware (Lesson 3) Part One: Answering Questions and Answers 1. Complete the textbook and do it. What did you find? What conclusion was reached? Two triangles whose sides and angles are equal are congruent, abbreviated as sides..
"Exploring the Conditions for Congruence of Triangles" Triangle PPT Courseware (Lesson 2):
"Exploring the Conditions for Congruence of Triangles" Triangle PPT Courseware (Lesson 2) Part One: Answering Questions and Answers 1. Complete the textbook and do it. What did you find? What conclusion was reached? Two triangles whose angles and included sides are congruent (angle-side-angle or ASA) 2..
"Exploring the conditions for congruence of triangles" Triangle PPT courseware (Lesson 1):
"Exploring the Conditions for Congruence of Triangles" Triangle PPT Courseware (Lesson 1) Part One: Answering Questions and Answers 1. Complete the textbook and do it. What did you find? What conclusion was reached? Given one or two conditions, the two triangles drawn are not necessarily congruent; given...