Prove: ZDCB - ZECA
Mathematics, 03.02.2021 04:30 coollid876
What is the missing reason in step 5?
Given: Ä intersects DĖ at point C.
Prove: ZDCB - ZECA
O linear pair postulate
O given
O definition of complementary angles
O congruent complements theorem
D
A
B
m.
Reasons
1
given
Statements
1
AB intersects DE at point
22DCB and BCE are a linear pair
32DCB is supp to ZBCE
4. BCE and ECA are a linear pair
5 BCE is supp to ZECA
8. DCB LECA
2
3
4
5
6
def of lin pr
linear pair post
def of lin pr
?
asupp. thm
Answers: 1
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What is the missing reason in step 5?
Given: Ä intersects DĖ at point C.
Prove: ZDCB - ZECA
Prove: ZDCB - ZECA
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