Mai and Rafael walk around a track. Mai walks each lap in minutes. Rafael walks each lap in minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality