Math Problem Statement
∠1 and ∠2 are supplementary
∠1 ≅ ∠3
m∠2 + m∠3 = 180
m∠1 + m∠2 = m∠2 + m∠3
m∠1 + m∠3
m∠1 + m∠2 = 180
Complete the proof by selecting the correct justification for the statement.
Given:∠1∠1and ∠2∠2 are supplementary Prove:∠1∠1and ∠3∠3
Fill-in the missing statements by moving the correct answer to the empty boxes.
Statements
Reason
-
∠1 and ∠2 are supplementary
-
Given
2. m∠1 + m∠2 = 180
- Supplementary angles add up to 180.
3. ∠2 and ∠3 are supplementary
- Given
4.
-
Supplementary angles add up to 180.
-
m∠1 + m∠2 = m∠2 + m∠3
5. Transitive Property of Equality
6.
6. Subtraction Proeprty of Equality
7.
- ∠’s with the same measures are ≅.
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Supplementary Angles
Congruent Angles
Formulas
m∠1 + m∠2 = 180
m∠2 + m∠3 = 180
Theorems
Transitive Property of Equality
Subtraction Property of Equality
Definition of Congruent Angles
Suitable Grade Level
Grades 8-10
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