Parallelogram and its properties.

As you drag the vertices of the figure , answer the following questions:

1. How are the lengths of the sides related?

Opposite sides are equal. All sides are equal. Adjacent sides are equal.

2. How are the measures of the internal angles related?

All angles are equal. All of the above is correct. Adjacent angles are supplementary. Opposite angles are equal.

3. Diagonals of a parallelogram are bisected.

Never Sometimes Always

4. Diagonals of all parallelograms are always perpendicular to each other.

True False

5. [math]\angle ACB[/math] = [math]\angle DBC[/math] = 65.62[math]^\circ[/math]. Which property of parallelogram is being illustrated here? What do we call these angles?

Parallelogram and its properties.

As you drag the vertices of the figure , answer the following questions:

Information: Parallelogram and its properties.