Given: line BC is parallel to line ED
m∠ABC = 70°
m∠CED = 30°
Prove: m∠BEC = 40°<...
Mathematics, 20.01.2021 02:00 tankhill5534
Given: line BC is parallel to line ED
m∠ABC = 70°
m∠CED = 30°
Prove: m∠BEC = 40°
Statement Justification
line BC is parallel to line ED Given
m∠ABC = 70° Given
m∠CED = 30° Given
m∠BEC + m∠CED = m∠BED Angle Addition Postulate
m∠BEC + 30° = 70° Substitution Property of Equality
m∠BEC = 40° Subtraction Property of Equality
Which of the following accurately completes the missing statement and justification of the two-column proof?
m∠ABC = m∠CED; Corresponding Angles Theorem
m∠ABC = m∠CED; Alternate Interior Angles Theorem
m∠ABC = m∠BED; Corresponding Angles Theorem
m∠ABC = m∠BED; Alternate Interior Angles Theorem
Answers: 3
Mathematics, 21.06.2019 17:00
When only separate discreet points are graphed it is called?
Answers: 1
Mathematics, 21.06.2019 17:00
If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?
Answers: 2
Mathematics, 21.06.2019 20:00
If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?
Answers: 1
Mathematics, 09.12.2019 00:31
Mathematics, 09.12.2019 00:31
Mathematics, 09.12.2019 00:31
History, 09.12.2019 00:31
History, 09.12.2019 00:31
Computers and Technology, 09.12.2019 00:31
Biology, 09.12.2019 00:31
Mathematics, 09.12.2019 00:31
Mathematics, 09.12.2019 00:31
Mathematics, 09.12.2019 00:31
Physics, 09.12.2019 00:31