
1-4-2 相似三角形的面積與邊長關係
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
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22 Slides • 3 Questions
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Fill in the Blanks
如圖 : 求 AH = ?
8
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Multiple Choice
如圖,△ABC中,D、E分別在AB、AC上,
且DE//BC,若AD=4,BD=5,
△ADE面積:△ABC面積= ?
4 : 5
4 : 25
4 : 9
16 : 81
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Draw
如右圖,△ABC中,AB=8,BC=10,CA=14,且D、E、F分別為AB、BC、CA的中點,則△DEF的周長為多少 ?
25
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