This angle measures exactly 90 degress.
What is a right angle?
These lines will never touch if they keep going on forever.
What are parallel lines?
This is a shape that has 5 sides.
What is a pentagon?
I am a quadrilateral with one set of parallel sides.
What is a trapezoid?
A shape with 4 sides.
What is a quadrilateral?
This angle is smaller than 90 degrees.
What is an acute angle?
These lines cross over one another.
What are intersecting lines?
This is a shape that has 6 sides.
What is a hexagon?
I am a quadrilateral with 2 sets of parallel lines.
What is a parallelogram?
A shape with many sides.
What is a polygon?
What is an obtuse angle?
These lines intersect forming 90 degree right angles.
What are perpendicular lines?
This is a shape that has 8 sides.
What is an octagon?
I am quadrilateral and parallelogram with 4 right angles, but I am not a square.
What is a rectangle?
The point where the lines of an angle meet.
What is a vertex?
This angle makes a straight line and measures 180 degrees.
What is a straight angle?
These lines are exactly the same length.
What are congruent lines?
This shape has 3 sides and all sides are congruent.
What is an equilateral triangle?
I have 4 sides, 2 sets of parallel lines, and 4 congruent sides.
What is a rhombus?
A rectangle is a square, but a square in not a rectangle.
What is false?
The rectangle and square are the only quadrilaterals that have this type of angle.
What is a right angle?
Lines that have endpoints.
What are line segments?
A shape that has 3 sides and one right angle.
What is a right triangle?
A shape with 4 congruent sides and 4 right angles.
What is a square?
A square is a polygon, a quadrilateral, a parallelogram, a rectangle, and a rhombus.
What is true?