Find the angle in the figure

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.