Question

Should be easy questions but I can't get them. (picture attached).

Answer 1

Whoever could solve these would be my best friend forever haha.

Answer 2

Or even one of them...

Answer 3

the lengths scale in the same way the object scales ,

Answer 4

OK. I'll do one. See the attached figure where I labeled some angles in the second problem.

Answer 5

I say that the two angles labeled b are the same. Why is that?

Answer 6

If the top and bottom line segments in the figure are parallel, then I say that the two angles labeled a are the same. What principle is that?

Answer 7

Finally, if two triangles have two angles the same, then the third angle is the same, and we can say that, at least, the two triangles are ______. If they are similar then the ratios of the corresponding sides are _____.