kiki8734
04.03.2021 •
Mathematics
3) Find AB
B
30°
28
59
A) 24
B) 20
C)27
D) 25
Solved
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Ответ:
Ответ:
9514 1404 393
k = 2
Step-by-step explanation:
Find a coordinate of a point and its image. k is the ratio of those.
Here, it is easy to use the y-coordinate of J and J'.
Jy = -1
J'y = -2
k = J'y/Jy = -2/-1 = 2
The scale factor k is 2.