1 / 3

平 行 四 邊 形

平 行 四 邊 形. 何為四邊形？. 由四條直線所組成的密封圖形。. 四邊形包括有：梯形 ﹑ 平行四邊形 ﹑ 長方形 ﹑ 正方形 ﹑ 菱形 ﹑ 鷂形和任意四邊形。. 如何証明兩隻角或兩條邊相等？. 利用全等三角形或相似三角形. 全等三角形的証明方法：. 1. SSS ( 三對對應邊相等 ). 2. SAS ( 兩對對邊相等且他們的夾角相等 ). 3. ASA 或 AAS( 兩對對應角及一對對應邊相等 ). 或. 4. RHS ( 一對對角等 90° 且對應的斜邊和一直角邊相等.

marigold-suarez
Download Presentation

平 行 四 邊 形

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 平 行 四 邊 形 何為四邊形？ 由四條直線所組成的密封圖形。 四邊形包括有：梯形﹑平行四邊形﹑長方形﹑正方形﹑菱形﹑鷂形和任意四邊形。

  2. 如何証明兩隻角或兩條邊相等？ 利用全等三角形或相似三角形 全等三角形的証明方法： 1. SSS (三對對應邊相等) 2. SAS (兩對對邊相等且他們的夾角相等) 3. ASA或AAS(兩對對應角及一對對應邊相等) 或 4. RHS (一對對角等90°且對應的斜邊和一直角邊相等

More Related