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三角形sas相似性質
DF會是AH的一半
EG會是AH的一半
兩個加起來等於AH的長度
把三角形ABH跟三角形AHC分別套勾股定理的算式解xy，得到AH=DF+EG=24/5
Mathematics
Junior High
Resolved
想問這題
C
如右圖,在△ABC中,
D、E分別為AB、AC
的中點,且DF⊥BC,
EG⊥BC,若AB=8,
B
F
30
A
AC=6,∠A=90°,則DF+EG=?
10
G
C
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