Vocabulary
A straight row of points that starts at one point and goes on forever in one direction.
What is a ray?
A two-dimensional enclosed figure made up of atleast 3 line segments.
What is a polygon?
A triangle with no congruent sides.
What is a scalene triangle?
A polygon with 4 sides and 4 angles.
What is a quadrilateral?
I am classified as a quadrilateral because I have 4 sides and 4 angles. My opposite sides are congruent and parallel.
What is a parallelogram?
Lines that cross and from a right angle.
What are perpendicular lines?
An angle that measures to be 90 degrees.
What is a right angle?
A triangle with three congruent sides.
What is an equilateral triangle?
A quadrilateral defined as having opposite sides that are both congruent and parallel.
What is a parallelogram?
I am a triangle that can be classified by sides AND angles. My interior angles are 65 degrees, 65 degrees and 50 degrees. I also have two congruent sides.
What is an isoceles acute triangle?
Lines that remain the same distance apart and never cross.
What are parallel lines?
An angle that is less than 90 degrees.
What is an acute angle?
I am the sum of all interior angles of any type of triangle.
What is 180 degrees?
A quadrilateral defined as having one pair of parallel sides.
What is a trapezoid?
I am classified as a quadrilateral and parallelogram but I have no right angles.
What is a rhombus?
A straight row of points that starts at one point and ends at another.
What is a line segment?
What is an obtuse angle?
A triangle that was drawn with a 90 degree angle, 35 degree angle and 55 degree angle.
What is a right triangle?
A parallelogram defined as having 4 congruent sides.
What is a rhombus?
I am classified as a rectangle but it can never be classified as me. I can also be classified as a rhombus but it is not classified as me either. I am at the bottom of the quadrilateral hierarchy.
What is a square?
There must be one of these at every vertex.
What is an angle?
Any polygon where all sides and angles are congruent.
What is a regular polygon?
A triangle that was drawn with interior angles of 70 degrees, 45 degrees, and 65 degrees.
What is an acute triangle?
A parallelogram defined as having 4 right angles and 4 perpendicular sides.
What is a rectangle?
I am the only quadrilateral in the hierarchy not classified as a parallelogram because I do not have two pairs of parallel sides.
What is a trapezoid?