Andy was on top of a building. he threw a ball up in the air and watched it hit the ground. the path of the ball is modeled by the graph. which choice best approximates the time it took for the ball to hit the ground?
a) 1 second
b) 8 seconds
c) 12.5 seconds
d) 14.5 seconds

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