Pythagoras' Theorem

2013-11-21 2:15 am
1) In a triangle ABC, angle B is a right angle , line AC is 32cm . In the middle of BC ,there is a point (point D).If AB=BD and BD:DC= 1:2, find BC.
2) In a triangle RPQ, angle P is a right angle , line PQ= 25cm , 5QR=8PR. Find the perimeter of triangle PQR.

回答 (2)

2013-11-21 3:20 am
✔ 最佳答案
Please read:


圖片參考:http://imgcld.yimg.com/8/n/HA00430218/o/20131120192014.jpg


2013-11-23 22:22:34 補充:
郭老師過獎啦~

Alvin,升到 中學級 5 級 之後就可以用 HTML 功能,就可以貼圖。
2013-11-21 3:45 am
你D答案好鬼靚,收集起來出書都幾好!


收錄日期: 2021-04-27 20:42:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131120000051KK00173

檢視 Wayback Machine 備份