An artist designed a badge for a school club. Figure ABCD on the coordinate grid below shows the shape of the badge: D
C
-
А
ТВ
BM
The badge is enlarged and plotted on the coordinate grid as figure JKLM with point located at (1,-6) and point M located at (3,-2).
Which of these could be the coordinates for point L? (1 point)

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

step-by-step explanation:

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