Show:
A
N
G
L
E
100
90 degrees or less
What is an acute angle?
100
90 degree angle
What is a right angle?
100
a 90-180 degree angle
What is an obtuse angle?
100
angles that are next to each other
What is an adjacent angle?
100
angles that are opposite of each other
What is a vertical (opposite) angle?
200
a pattern that doesn't have any gaps or overlaps
What is a tesseslation?
200
scalene, isosceles, equilateral
What are the three types of triangles?
200
quadrangle
What is a polygon with 4 sides?
200
lines that never meet or cross
What are parallel lines?
200
crossing or meeting lines that form a right angle Ex.+
What is perpendicular?
300
meeting or crossing lines
What is intersecting?
300
measures 180 degrees
What is the sum of angles in a triangle?
300
a polygon with 6 sides
What is a hexagon?
300
the point where line segments meet
What is the vertex?
300
an angle larger than 180 degrees
What is a reflex angle?
400
having the same size and shape
What is congruent?
400
a triangle whose sides are all have different lengths
What is a scalene triangle?
400
a tool used to measure angles
What is a protractor?
400
a triangle that has two sides of the same length
What is an isosceles triangle?
400
180 degrees
What is a straight line?
500
a triangle whose sides all have the same length
What is a equilateral triangle?
500
a quadrangle with 2 pairs of parallel sides
What is a parallelogram?
500
a polygon in which at least 2 sides are pushed in
What is a concave polygon?
500
a polygon in which all sides are pushed outward
What is a convex polygon?
500
a flat, 2-dimensional figure made up of line segments that are connected and do not cross
What is a polygon?