Answer:
E: L is perpendicular to a line with slope 
.
Lines are perpendicular if the negative reciprocal of the slope is equal. For example, the reciprocal of 
is 
(remember, to get the reciprocal, simply switch the numerator and the denominator).
So, the negative reciprocal of is . This represents the slope of a line that is perpendicular.
Answer:definition of midpoint, angle BCA is congruent to angle DCA
Answer:
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Step-by-step explanation:
Answer:
a
Step-by-step explanation:
