No, because 7 x 21 is 147.
Other ways are m<1, YFP and m<F.
The angle is an acute angle because it is less than a right angle (less than 90 degrees).
The scale factor is the number u multiply by the first image to get to the second image.
so 3 times what = 4
3x = 4
x = 4/3 (or 1 1/3) <== this is ur scale factor
Answer:
answers below
Step-by-step explanation:
1. no
2. yes
3. no
4. yes
5. no
6. yes
7. no
8. no
9. no
10. no
11. no
12. yes