Opposte of Theoem 53 Theorem 54 If a line divides two sides of a triangle proportionally, then it is parallel to the third side. (Converse of Theorem 53) l AB E AD - BE %3D DC converge 3うトっち 16 3 ff るノカ Given: AABC and DE drawn so that AD : DC = BE : EC 2. 1.5 ft Prove: DE||AB %3D
Opposte of Theoem 53 Theorem 54 If a line divides two sides of a triangle proportionally, then it is parallel to the third side. (Converse of Theorem 53) l AB E AD - BE %3D DC converge 3うトっち 16 3 ff るノカ Given: AABC and DE drawn so that AD : DC = BE : EC 2. 1.5 ft Prove: DE||AB %3D
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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In Theorem 54, if DC=3AD, BE=1/4BC, is DE parallel to AB?
The picture states the theorem and shows the figure on the side.
![Opposte of Theoem 53
Theorem 54
If a line divides two sides of a triangle proportionally, then it is
parallel to the third side. (Converse of Theorem 53)
l AB E AD - BE
%3D
DC
converge
3うトっち
16
3 ff
るノカ
Given: AABC and DE drawn so that AD : DC = BE : EC
2.
1.5 ft
Prove: DE||AB
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8d0a1fe6-f080-4668-b00d-2ff14baead90%2F3ef4f264-aac3-499e-a981-ae57adc627d4%2Fpsu1ny.jpeg&w=3840&q=75)
Transcribed Image Text:Opposte of Theoem 53
Theorem 54
If a line divides two sides of a triangle proportionally, then it is
parallel to the third side. (Converse of Theorem 53)
l AB E AD - BE
%3D
DC
converge
3うトっち
16
3 ff
るノカ
Given: AABC and DE drawn so that AD : DC = BE : EC
2.
1.5 ft
Prove: DE||AB
%3D
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