Which dimensions cannot create a triangle? A three angles measuring 250, 650, and 90°
B three angles measuring 50°, 30°, and 100°
C three sides measuring 5 in., 12 in., and 13 in.
D three sides measuring 4 ft 8 ft, and 14 ft

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