Question

anyone able to answer this math problem? http://gyazo.com/c63f8dbcd12cd3217e4744e49f72ad4b

Answer 1

first i have to ask you, which one do you think is the right one?

Answer 2

I think it's the 3rd option @Data_LG2

Answer 3

hmm.. are you sure? Is AD perpendicular to BC? look at it . Is the angle between them 90°?

Answer 4

nooooooo it's the first one? @Data_LG2

Answer 5

lol, i have to go :)

here's my advice, try asking yourself why the choices you are choosing is right (whether they satisfy the one on the diagram) ...

so you changed your answer to the first one, i'll ask you WHY? is the angle between them already 90°?

Answer 6

idk :( bye

Answer 7

hey, i'll stay until you get the right answer :)