7. y = 1, AB = 1, BD = 10 and AD = 11
8. x = 5, AB = 20 and BC = 20
9. x= 5 and AB = 33
10. No, because AC = 12.5 while AB + BC = 20 (they should equal the same and they don't.)
Answer:
what are the options? I would say something like 50-60
I believe it is A. Hope this helps.
A mountain road makes the horizontal
