4th Grade Angles and Quadrilaterals
How would you classify quadrilateral DCBA?
What properties helped you to classify it this way?
How would you classify quadrilateral EHGF?
What properties helped you to classify it this way?
Adjust the points on quadrilateral IJKL to make it another type of quadrilateral.
How would you classify your new quadrilateral?
What properties does it so you can classify it the way you did?
Move Point M to make a concave quadrilateral.
What kind of angle is angle QRS?
Drag and move Point Q and/or Point S to make the angle different.
What kind of angle is it now?