4-6 (CPCTC) Practice
Main idea: FIRST, if I prove the _________________________ congruent, THEN I can state that any of the
____________________________ are congruent (by Corresponding Parts of Congruent Triangles are ≅)
1)
Given: 𝐺𝑇≅ 𝑇𝑈, T is the midpoint of 𝑆𝐼 Prove: 𝐺𝐼 ≅ 𝑆𝑈 Statement 1.
Reason 1.
2. 2. 3. 4. 5. 5. 2)
Given: 𝑅𝑆 bisects ∠TSD and ∠TRD Prove: ∠T ≅ ∠D 3. 4. Statement 1. 𝑅𝑆 bisects ∠TSD and ∠TRD
2. Reason 1.
2. 3. 4. 5. 3. 4. 5. 6.
6.
Proofs with Overlapping Triangles:
3)
Given: ∠D ≅ ∠C, ∠DBA ≅ ∠CAB Prove: 𝐷𝐴 ≅ 𝐶𝐵 Statement Reason 1.
1.
2. 3. 4. 2. 3. 4. 5.
4)
5.
Given: 𝑅𝑆 ≅ 𝑅𝑇, ∠S ≅ ∠T
Prove: ∠S ≅ ∠T Statement 1.
Reason 1.
2. 3. 4. 2. 3. 4. 5.
5.