IL. RU in the blanks Swiss
6._ is the amount of surface of the plane covered by a closed figure
7 Area of a triangle
8. A chord that pass through the centre of the circle is
9. The space between the bars must have the same
10.
is defined to be that number which occurs most frequently in a given data​

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