A straight row of points that goes on forever in both directions.
What is a line?
Formed when two lines meet at a common endpoint
What is an angle?
A specific location in space
What is a point?
What is a two-dimensional shape?
Lines that never cross
What are parallel lines?
Four
How many lines does a square have?
An angle that measure less than 90 degrees
What is an acute angle?
A dot
Triangle
What shapes has three sides and three angles?
Lines that intersect to form 90 degrees
What are perpendicular lines?
What is a line segment?
What is an right angle?
A straight row of points that starts on one point and goes on forever in one direction
What is a ray?
A two-dimensional shapes that has four sides that are the same length
What is a rhombus?
One
How many sets of parallel lines does a trapezoid have?
Five
How many line segments does a pentagon have?
A type of angle that is larger than 90 degrees but less than 180 degrees
What is an obtuse angle?
With capital letters like point A
How should you label points?
A two dimensional shape that has nine line segments
What is a star?
Two
How many line segments are in a circle?
Seven
How many angles does a heptagon have?
Ten
How many points does a decagon have?
A shape that has nine sides and nine angles
What is a nonagon?
Four
How many perpendicular lines does a rectangle have?