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Parallelogram (Scaffolded Discovery)

The applet below contains a quadrilateral that ALWAYS remains a parallelogram. The purpose of this applet is to help you understand many of the geometric properties a parallelogram has. These properties hold true for any parallelogram (including rectangle, rhombus, square). The questions you'll need to investigate/answer are displayed below this applet.
Use the tools GeoGebra within this applet to investigate the answers to the following questions:

Are opposite sides of a parallelogram congruent?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

Are opposite angles of a parallelogram congruent?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

Do the diagonals of a parallelogram bisect each other?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

Does a diagonal of a parallelogram bisect a pair of opposite angles?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

Are the diagonals of a parallelogram perpendicular?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

Are the diagonals of a parallelogram congruent?

勾選所有適當的選項
  • A
  • B
核對我的答案 (3)

What is the sum of any pair of consecutive angles of a parallelogram?