how to do math game(20點)
2010-08-25 7:55 pm
In thefigure,the shadow of the tree is 12m long and the lenght of the sun's ray from the top of the tree to the ground is 20m. what is the height of the tree?
回答 (1)
2010-08-25 8:21 pm
✔ 最佳答案
By Pyth. theorem,the height of tree
= √(20^2 - 12^2) m
= √256 m
= 16 m
參考: me
收錄日期: 2021-04-13 17:28:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100825000051KK02117