Statements Reasons Given: L1 and 22 are supplements, 23 and 24 are supplements, and 212 14. given subtraction property Prove: Z2 Z3 substitution property definition of angles Reasons 3 Statements ✓ 1.21 and 22 are supp. ✓ 2.23 and 24 are supp. 4 1. given 2. given 3. given 3.21 24 2 ✓ 4. mZ1 = m24 5. M21 + m2 2 = 180 4. definition of angles 5. def. of supplementary angles 6. def. of supplementary angles 7. substitution property ✓ 6. m23 + m24 = 180 ✓ 7. m 1 + m 2 = m 3 + m24 Correct! You have completed this exercise - 1 Klon Anar idk how to answer other people's questions on the post so I just posted it here