David drove a distance of 187km, correct to 3 significant figures. He used 28 litres of petrol, correct to 2 significant figures.
The petrol consumption of a car, in km per litre, is given by the formula.
c=d/p
by considering bounds, work out the value of c for David's journey.

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