1 and 8 are because they are alternate exterior angles
X = 30 because the ratio of 27/45 = .6 so 18/.6 is 30
Perimeter of triangle = 3(side)
P = 3(s)
12 = 3s
12/3 = s
4 = s
I think there is a typo in your post.
The question should be: WHICH ONE OF THE FOLLOWING IS A POSSIBLE SIDE OF THE TRIANGLE?
In that case, 4 cm is the answer. However, 4 cm is not listed among the choices. So, choice d is the answer.
1/9 = 2/18 = 3/27 = 4/36 = 5/45 = ... = n/(9n) for any n
Answer:
14. 80/3
15. a. RS
b. Angle R
9. b.
10. x=7
11. Yes, there is a small difference in height in decimals
12. 1
13. 12/7