![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 23.10.2021 03:40, pattington
Statements
Reasons
AD
Given:
BE
DC EC
Prove: AB DE
BE
EC
1. given
1 62
+1 = 3€ +1
DE = BE +
2.
2. addition property
A
3.
AD
DC
+
3. property of proportion
3
С
EC
EC
BE+EC
EC
2.
4.
AD + DC
DC
4. addition of fractions
E
B
5. AC = AD + DC;
BC = BE + EC
5. segment addition
postulate
Complete the steps of the proof.
6. AC = BC
6. substitution property
7. 2323
7. reflexive property
8. ABC ~ ADEC
8.
9.21 22
9.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Statements
Reasons
AD
Given:
BE
DC EC
...
AD
Given:
BE
DC EC
...
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