Angles
Segments
Triangles
Symbols
100
What do you know about vertical angles?
Vertical angles are congruent (equal)
100
What does a midpoint do?
A midpoint cuts a segment into two congruent (equal) segments
100
What do you call a triangle with two congruent sides?
Isosceles
100
What is the symbol for an angle?
<
200
What does an angle bisector do?
An angle bisector cuts an angle into two congruent (equal) angles
200
What does a segment bisector do?
A segment bisector cuts a segment into two congruent (equal) segments
200
What do you call a triangle with two congruent angles?
Isosceles
200
What is the symbol for a line segment?
__
300
What do perpendicular lines do?
Perpendicular lines form right angles
300
What does a perpendicular bisector do?
A perpendicular bisector cuts a segment into two congruent segments and creates two right angles
300
Which two angles are the congruent angles in this triangle?
<B and <C
300
What is the symbol for parallel lines?
||
400
What do parallel lines do?
Parallel lines form congruent alternate interior angles
400
What does it mean to bisect each other?
Both segments are each cut into two congruent segments
400
Which two sides are congruent in this triangle?
RS and ST
400
What is the symbol for perpendicular?
_|_