Lines
two lines that are the same distance apart and will never touch
What are parallel lines?
This is the term for a 90 degree angle
What is a 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?
A shape that has 6 sides is called
What is a hexagon?
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?
A term for a polygon where both ends of a line are in the shape but leave the shape in the middle
What is concave?
A shape with 5 sides is called
What is a pentagon?
two lines that are next to one another
What is adjacent?
an angle that is greater than 90 degrees
What is obtuse?
A triangle with one angle greater than 90 degrees
What is an obtuse triangle?
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
What is rectangle?
A polygon with all sides congruent and all angles congruent.
What is a regular polygon?
These small symbols show congruent sides
What are tick marks?
the number of angles a quadrilateral has.
What is 4?
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?
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
What is right, isosceles?
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?
The three requirements of a polygon.
What is a closed shape, with only line segments that don't cross each other?