Lines
What goes on indefinitely in both directions (arrows on both sides) ?
line
What type of angle measures 90 degrees?
right angle
What are all 4 sided polygons called?
quadrilaterals
How many sides does a quadrilateral have?
4
How many sides does a triangle have?
3
What is represented by a colored in dot?
point
What is the name of the tool used to measure angles?
protractor
What is the term for a polygon with 5 sides?
pentagon
How many vertices does a quadrilateral have?
4
How many angles does a triangle have?
3
What is the term for lines that will never cross?
parallel lines
What type of angle measures less than 90 degrees?
acute angle
What is the term for a polygon with 6 sides?
hexagon
Which quadrilateral has only one pair of parallel sides?
trapezoid
What is the term for a triangle with all acute angles?
acute triangle
What has one endpoint and one arrow to show one side stops and one side goes on indefinitely?
ray
What type of angle measures greater than 90 degrees?
obtuse angle
What is the term for a polygon with 8 sides?
octagon
Which two quadrilaterals have all 4 right angles?
square and rectangle
Which type of triangle has only one obtuse angle?
obtuse triangle
What is the term for lines that intersect at a 90 degree angle?
perpendicular lines
What type of angle measures 180 degrees?
straight angle
What is the term for a polygon with 10 sides?
decagon
Which quadrilateral has all equal sides but no right angles?
rhombus
How many right angles does a right triangle have?
1