From the foot of a building i have to look upwards at an angle of 22 degrees to sight the top of a tree. from the top of a building, 150 meters above ground level, i have to look down at an angle of depression of 50 degrees to look at the top of the tree. a) how tall is the tree? b) how far from the building is the tree?

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