http://farm3.static.flickr.com/2460/3847322368_644cf813fe.jpg
In the figure(the link) , the parallelogrames ABCD and ADMN are similar figures. FIND BN.
PLEASE SHOWS ME THE STEPS.
S2 rate and ratio
2009-08-23 5:55 pm
回答 (2)
2009-08-23 6:00 pm
✔ 最佳答案
Given ABCD and ADMN are similar,so,
AD / AN = AB / AD (corr. sides, similar figures)
8 / 5 = AB / 8
AB = 64 / 5 = 12.8
So, BN
= AB - AN
= 12.8 - 5
= 7.8
參考: Physics king
2009-08-23 6:09 pm
ADMN打橫睇
就知道佢地既SIMILAR既地方
SO.
AB/AD=AD/AN
(5+BN)/8=8/5
5+BN=64/5
BN=12.8-5
BN=7.8cm
就知道佢地既SIMILAR既地方
SO.
AB/AD=AD/AN
(5+BN)/8=8/5
5+BN=64/5
BN=12.8-5
BN=7.8cm
參考: ME
收錄日期: 2021-04-19 15:13:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090823000051KK00411