What is the scale factor

Pick the description of a geometric object that best matches the real world object box for a deck of card

X+y=-4 x-y=2 use elimination with adding and subtraction

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer