Julio left the hardware store and drove toward the ocean at an average speed of
20 km/h. Wilbur left at the same time and
drove in the opposite direction with an
average speed of 70 km/h. Find the
number of hours Wilbur needs to drive
before they are 270 km apart.

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem