Answer:
K' = (8,-4) L' = (4,-7) M' = (1,-2)
Step-by-step explanation:
Simply take the x coordinates and the y coordinates and flip them.
For example, if you have A (2, 4) reflected across y=x, A' would be (4,2).
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2/7
14/2=7. 4/2=2 .2/7 is the answer