Proofs Involving the Addition and Subtraction Postulate – Day 2 Warm – Up 2. 3. 4. 8 If equal quantities are added to equal quantities, the sums are equal. OR If congruent quantities are added to congruent quantities, the sums are equal. Addition of Segments Addition of Angles Writing Proofs Example 1 9 Example 2 Example 3: Example 4: Example 5: Given: ̅̅̅̅ ̅̅̅̅ Prove: ̅̅̅̅ ̅̅̅̅ 10 Example 6: Subtraction of Segments Example 7: Example 8: 11
© Copyright 2026 Paperzz