Parallel/Perpendicular Lines (Leaving Cert Mathematics): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Definition of parallel lines
Definition of parallel lines
Lines that do not intersect, no matter how far extended
Slope condition for parallel lines
Slope condition for parallel lines
Same slope:
General equation of a line
General equation of a line
What does represent in ?
What does represent in ?
Slope
What does represent in ?
What does represent in ?
-intercept
How to check if lines are parallel
How to check if lines are parallel
Compare their slopes
Intercept condition for parallel lines
Intercept condition for parallel lines
Different values (unless coincident)
Vertical parallel lines equation form
Vertical parallel lines equation form
and , where
Angle type 1: transversal cuts parallel lines
Angle type 1: transversal cuts parallel lines
Corresponding angles are equal
Angle type 2: transversal cuts parallel lines
Angle type 2: transversal cuts parallel lines
Alternate interior angles are equal
Angle type 3: transversal cuts parallel lines
Angle type 3: transversal cuts parallel lines
Alternate exterior angles are equal