when people ask that some alternate needs to be accepted, yes thén the response that it doesnt fit is relevant
And you don't read with your fingers, having read the title (correctly) is no prerequisite for the link to work. But besides that t here is a "random" button. So you can be taken to a quiz before knowing the title.
Obtuse is not the "opposite" of acute, they are just different.
It's like saying x rays are the opposite of gamma rays.
and i like the tick box thing for corrections it's very nice