m∠CED = 30°
Prove:m∠BEC = 40°
Mathematics, 05.07.2021 21:30, 25jzaldivar
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∠ABC = m∠BED Corresponding Angles Theorem
m∠BEC + 30° = 70° Substitution Property of Equality
m∠BEC = 40° Subtraction Property of Equality
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Do you know the correct answer?
Given: line BC is parallel to line ED
m∠ABC = 70°
m∠CED = 30°
Prove:m∠BEC = 40°
m∠CED = 30°
Prove:m∠BEC = 40°
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