If two lines intersect at right angles then they are perpendicular!
The contrapositive to the statement, "if two lines intersect to form right angles, then they are perpendicular," is "if two lines are not perpendicular, then they do not form right angles."
If two lines are not perpendicular then they cannot intersect to form any right angles.
perpendicular lines
Perpendicular lines
perpendicular lines.
perpendicular lines
Perpendicular
perpendicular lines
Two lines that intersect to form right angles are perpendicular.
When two lines intersect to form a right angle they are called perpendicular.
When two lines intersect to form a 90o angle, they are said to be perpendicular.