An exact position or location on a plane surface.
What is a point?
What is a vertex?
Any lines that cross and form four angles.
What are intersecting lines?
The two properties we use to classify triangles.
What is the measure of their angles and the lengths of their sides?
A quadrilateral that has AT LEAST one set of parallel sides.
What is a trapezoid?
A line that has a starting point and goes on forever in one direction.
What is a ray?
An angle whose opening is wider than 90 degrees.
What is an obtuse angle?
Lines that cross and form 4 right angles.
What are perpendicular lines?
The name for a triangle that has one right angle and no sides of equal length.
What is a right scalene triangle?
Any quadrilateral that has 2 SETS of parallel sides and 2 SETS of sides of equal length?
What is a parallelogram?
A part of a line with a starting point and a stopping point.
What is a line segment?
The notations for the acute angles below.
What are ∠ACB and ∠DCE ?
Lines that are always the same distance apart.
What are parallel lines?
The only type of angle that an equilateral triangle has.
What is an acute triangle?
Two common types of parallelograms that have 4 right angles.
What are rectangles and squares?
A straight figure that goes on forever in both directions.
What is a line?
An angle that forms a square corner.
What is a right angle?
Classify lines RS and PQ.
What are intersecting lines?
The name for a triangle that has one obtuse angle and two sides of equal length.
What is an obtuse isosceles triangle?
All of the possible classifications for this quadrilateral:
What are square, rectangle, rhombus, parallelogram and trapezoid?
The notation for line segment AB.
What is ?
Angles are a measurement of this around a center point.
What is rotation?
Name the lines that will not intersect with each other.
What are lines TU and VW?
Fill in the blanks:
A polygon is a ___ dimensional figure made up of _______ line segments connected end to end to form a __________ boundary.
What is: "A polygon is a 2 dimensional figure made up of straight line segments connected end to end to form a closed boundary." ?
A property that rhombuses and squares have that not all rectangles have.
What is 4 sides of equal length?