Joke Collection Website - Mood Talk - As shown in figure ABCD, four points are on a straight line, DE‖AF, DF‖AE. What conclusion can you draw? Tell me your reasons.
As shown in figure ABCD, four points are on a straight line, DE‖AF, DF‖AE. What conclusion can you draw? Tell me your reasons.
A:
Conclusion 1 and quadrilateral AEDF are parallelograms.
Reason: Two groups of parallelograms with parallel opposite sides are parallelograms (definition).
Conclusion 2: There are 6 triangles in the diagram.
Reasons: △DEC, △ECA, △ADE, △DFB, △ABF, △AFB.
Conclusion 3. △AED?△DFA
Reason: The opposite sides of the parallelogram are equal. In the parallelogram deaf, DF=AE, FA=ED and AD=DA, so △ AED △ DFA (SSS).
- Previous article:On 75 Mood Phrases in the Examination
- Next article:How to prepare for the intermediate accountant exam easily?
- Related articles
- Congratulatory message for graduation party
- If my wife is angry and tries to coax her, I am lucky to have you.
- On Mid-Autumn Festival in foreign countries, talk about phrases.
- Do you know Weixin Electronics Co., Ltd. in Wuzhong District? Is it big to do radiation there? Tell me about it. I'm going there. Thank you.
- Sentences about friends leaving
- Please tell us briefly about the Danube River
- Which is more fun, Wilderness Action or Peace Elite?
- Qq Personality Signature Girl Love
- What is the function of bitter vegetables? Efficacy and function of bitter vegetables
- A beautiful poem describing wintersweet.