Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
What do you call Lines (in the same plane) that never intersect? |
parallel lines |
|
|
What are parallel lines? |
Lines (in the same plane) that never intersect |
|
What do you call these Lines? |
parallel lines |
|
What do you call these Lines? |
intersecting lines |
|
|
What do you call Lines that cross at exactly one point? |
intersecting lines |
|
|
What are intersecting lines? |
Lines that cross at exactly one point |
|
|
What do you call lines that intersect to form right angles ? |
perpendicular lines |
|
|
What is an acute angle? |
An angle that is less than 90 degrees |
|
|
What are perpendicular lines? |
Lines that intersect to form right angles |
|
What do you call these Lines? |
perpendicular lines |
|
|
Which angle that is less than 90 degrees? |
an acute angle |
|
Which angle is this? |
an acute angle |
|
|
What angle measures more than 90 degrees but less than 180 degrees? |
obtuse angle |
|
|
What is an obtuse angle? |
An angle that measures more than 90 degrees but less than 180 degrees |
|
What angle is this? |
obtuse angle |
|
|
What angle measures 90 degrees? |
right angle |
|
|
What is a right angle? |
An angle that measures 90 degrees. |
|
What angle is this? |
right angle |
|
|
What is a straight angle? |
An angle that measures 180 degrees. |
|
|
Which angle measures 180 degrees? |
a straight angle |
|
Which angle is this? |
a straight angle |
