Given: ZBDA ~ ZA
Prove: x=5
Statement
S1. ZBDA LA
S2. ZBDA LCDE
S3. LCDE LA
S4. mzCDE = mzA
S5.
S6. 12x = 11x + 5
S7. x = 5
R1. Given
Reason
R2.
R3. Transitive Property of Congruence
R4
R5. Substitution Property of Equality
R6.
R7 Subtraction Property of Equality
B

Given ZBDA ZA Prove x5 Statement S1 ZBDA LA S2 ZBDA LCDE S3 LCDE LA S4 mzCDE mzA S5 S6 12x 11x 5 S7 x 5 R1 Given Reason R2 R3 Transitive Property of Congruence class=