2. Which geometric principle justifies the figure at the right?
A. When two lines intersected by a transversal and alternate interior angles
are congruent, then the lines are parallel.
B. A line perpendicular to one of two parallel lines is perpendicular to the other.
C. Two lines are perpendicular if they intersect to form congruent adjacent angles.
D. When two lines intersected by a transversal then they are parallel
A. When two lines intersected by a transversal and alternate interior angles
are congruent, then the lines are parallel.
B. A line perpendicular to one of two parallel lines is perpendicular to the other.
C. Two lines are perpendicular if they intersect to form congruent adjacent angles.
D. When two lines intersected by a transversal then they are parallel
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2. Which geometric principle justifies the figure at the right?
Answer
A. When two lines intersected by a transversal and alternate interior angles
are congruent, then the lines are parallel.
B. A line perpendicular to one of two parallel lines is perpendicular to the other.
C. Two lines are perpendicular if they intersect to form congruent adjacent angles.
D. When two lines intersected by a transversal then they are parallel.