Text this: Exploring students’ conceptual understanding of parallelograms based on Geogebra

  _  _     _____     ______     ___      _____   
 | \| ||  |  ___||  /_   _//   / _ \\   / ____|| 
 |  ' ||  | ||__      | ||    | / \ || / //---`' 
 | .  ||  | ||__     _| ||    | \_/ || \ \\___   
 |_|\_||  |_____||  /__//      \___//   \_____|| 
 `-` -`   `-----`   `--`       `---`     `----`