These are the three rules for polygons.
1) Closed
2) Flat
3) Shapes with Straight Lines
A shape with only straight sides, flat, and closed.
What is a polygon?
This angle is greater than an right angle
What is an obtuse angle?
All octagons have this many angles.
What are 8 angles?
This polygon is a quadrilateral with equal sides and no right angles.
What is a rhombus?
This angle is 90 degrees.
What is a right angle?
Draw a quadrilateral with exactly 1 right angle.
(Whiteboard response)
This shape is a quadrilateral with 1 pair of parallel lines and 1 pair of non-parallel lines.
What is a trapezoid?
I am a shape with 10 sides.
What is a decagon?
This angle is less than a right angle.
What is an acute angle?
Draw a quadrilateral with no right angles!
(Whiteboard response)
This triangle has all equal sides and no right angles.
What is an equilateral triangle?
Lines that run like railroad tracks. If they keep going on forever, they would never ever touch.
What are parallel lines?
Answer this riddle:
I am a square, but have another name
My twin has angles that aren't the same
But equal sides and 4 have we
What other shape could I be?
A Rhombus (Rhombuses are not squares, but a Square is a Rhombus!)