Which words belong, in the correct order, in the two blanks in the statement below to make it true?
Two lines are ______ if and only if they lie in the same plane and do not intersect, and two lines are ______ if and only if they lie in the same plane and intersect at right angles.
A.
perpendicular, parallel
B
.
perpendicular, bisectors
C.
parallel, bisectors
D.
parallel, perpendicular
1 answer
D. parallel, perpendicular
1 answer