GeoGebra Classroom

# Parallelograms: Quick Investigation

## Here, we have a parallelogram. Interact with this app for a minute. Be sure to move the vertices (corners) of this parallelogram around. Then answer the question that follows.

What does the animation above suggest? Opposite sides of a parallelogram are __________________________.

## Here, we have a parallelogram. Interact with this app for a minute. Be sure to move the vertices (corners) of this parallelogram around. Then answer the question that follows.

What does the animation above suggest? Opposite angles of a parallelogram are __________________________.

## Here, we have a parallelogram. Interact with this app for a minute. Be sure to move the vertices (corners) of this parallelogram around. Then answer the question that follows.

Any 2 interior angles of a parallelogram that are not opposite angles are called consecutive angles. In the animation above, the two different colored angles are consecutive angles. What can we conclude here? Consecutive angles of a parallelogram are __________________________.

## Here, we have a parallelogram. Interact with this app for a minute. Be sure to move the vertices (corners) of this parallelogram around. Then answer the question that follows.

A diagonal of a parallelogram is a segment that connects one vertex (corner) to its opposite vertex. What can we conclude about the diagonals of a parallelogram?

Select all that apply
• A
• B
• C

## Here, we have a parallelogram. Interact with this app for a minute. Be sure to move the vertices (corners) of this parallelogram around. Then answer the question that follows.

Does any diagonal of a parallelogram serve as a line of symmetry?

Select all that apply
• A
• B
• C