~~~15 points~~~

a wide screen television display measures approximately 15 inches high and 27 inches wide. a television is advertised by giving the approximate length of the diagonal of its screen. how should the television be advertised?

a. 36 inches
b. 31 inches
c. 30 inches
d. 21 inches

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2