Mathematics, 21.01.2022 03:50, wyseguy8971

Given: < B and C form a linear pair, ZA = 2B, and m_A = 120° Select the reason that best supports Statement 2 in the given proof. Prove: m_C = 60° ° A. Definition of Congruency B. Linear Pair Postulate Statement: 1. LA ELB 2. m A = mB 3. M_A = 120° 4. 120º = m_B 5. ZB and C form a linear pair 6. m2B + m2 = 180° Reason: : 1. Given 2.[?] 3. Given 4. Substitution 5. Given C. Reflexive Property D. Subtraction Property of Equality 6. Linear Pair Postulate 7. Substitution 8. 7. 120° + m2 = 180° 8. m C = 60°

Given: < B and C form a linear pair, ZA = 2B, and m_A = 120° Select the reason that best support

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Given: < B and C form a linear pair, ZA = 2B, and m_A = 120° Select the reason that best supports...