What is NOT a polygon?
This is the name for any 4 sided polygon.
What is a quadrilateral?
This quadrilateral has 4 right angles and all 4 sides are the same length.
What is a square?
This angle is greater than 90*.
What is an obtuse angle?
What is a polygon?
This is any quadrilateral that has 2 pairs of parallel lines.
What is a parallelogram?
This angle is less than 90*.
What is an acute angle?
Shapes are flat and closed.
No circles.
Can have different numbers of sides.
All sides are straight.
What is a polygon?
A 4-sided flat shape with straight sides where all interior angles are right angles (90°).
What is a rectangle?
This is the angle at the edge of the whiteboard.
What is a right angle?
A 4-sided flat shape with straight sides where all interior angles are right angles (90°).
What is a rectangle?
A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
What is a rhombus?
It has sides, but it is open.
What is NOT a polygon?
A closed two-dimensional (flat) shape with three or more sides.
What is a polygon?
A quadrilateral that has only one pair of parallel lines.
What is a trapezoid?