At the center of the polygon are twelve 30° angles - 360° / 12.If the polygon is rotated 30° the image (transformation) shall coincide with the preimage (the figure before transformation).
Answer:
B
Step-by-step explanation:
1. So your original equation is -y+2y-9=1. The first step is to isolate your variables so put 9 on the otherside.This gives you -y+2y=10.
2. Now you can combine like terms, 2y-y=y. This gives you y=10.
3. Now just look at your answer choices that when solved gives you y=10
Two negatives gives you a positive
Answer:
31
Step-by-step explanation:
I can't explain any further......
Answer:
6, 7
Step-by-step explanation: