作者a5956 (茫茫股海~)
看板ask
標題[請問] 跪求高手幫我解這題國三數學題目
時間Mon Apr 4 20:46:16 2016
https://imgur.com/a/p3ruE
懇請高手幫我解答第五題
我卡關了...
沒有任何頭緒阿...
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1F：推 joliwugy: 觀察三角形EGC 04/04 20:54
2F：推 Lavchi: AG = GC = EG (已知) = 10 04/04 20:57
3F：→ Lavchi: AC = AG+GC = 10+10 = 20 04/04 20:57
4F：→ Lavchi: AF = FB = FD (已知) = 14 04/04 20:58
5F：→ Lavchi: AB = AF+FD = 14+14 = 28 04/04 20:58
6F：→ Lavchi: 周長 = AC(20) + AB(28) + BC(26) = 74 04/04 20:59
7F：→ a5956: 感謝樓上兩位強者^^ 04/04 21:07