Triangle LMN is reflected across the x-axis to form triangle L'M'N'. Which statement is true?
A
B
Triangle L'M'N' is congruent to triangle LMN.
Each side length of triangle L'M'N' is j the corresponding side length of
triangle LMN.
Each side length of triangle LMN'is 2 times the corresponding side length of
triangle LMN.
The sum of the angle measures of triangle L'M'N' is 180° more than the sum of the
angle measures of triangle LMN.
с