two lines that are the same distance apart and will never touch
what is parallel lines?
This is the term for a 90 degree angle
What is right angle
A triangle that has all sides the same length
What is equilateral
This is the number of sides on a quadrilateral
What is 4
lines that intersect to form a right angle?
What is perpendicular
An angle that is less than 90 degrees
What is acute
A triangle with two sides the same length
What is isosceles
this is the number of degrees all angles of a quadrilateral will add up to
What is 360 degrees
this has one endpoint and continues in one direction forever
an angle that is greater than 90 degrees
What is obtuse
A triangle with one angle greater than 90 degrees
What is obtuse triangle
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
What is rectangle
This is part of a line
What is a line segment
this is the number of degrees in a straight angle
What is 180 degrees
A triangle with a 90 degree angle and no sides the same length
What is right, scalene
This is a quadrilateral with two pairs of opposite sides parallel and all sides the same length. (it does not have to have right angles)
What is a rhombus
This is a closed figure with at least 3 sides.
What is a polygon
This is used to measure angles
What is a protractor
All angles in every triangle will add up to this number of degrees
What is 180 degrees
This is a quadrilateral with only one pair of opposite sides parallel
What is a trapezoid