# Discovery Activity - Quadrilaterals & Parallelograms

Quadrilateral: a four sided figure.

Draw any quadrilateral below. Measure each angle.

What is the sum of the angles?

Answer the questions below

Measure the angles of the figure below.

What is the sum of all the angles?

What is the sum of angles A and B?

What is the sum of angles A and C?

What is the sum of angles B and D?

What is the sum of angles C and D?

What do you notice about angles A and D?

What do you notice about angles B and C?

Measure the sides of the figure below.

What do you notice about the of the sides of the figure?

One diagonal has been added to the figure. Measure all the angles created by the diagonal.

What do you notice about the angles?

The second diagonal has been added to the figure. Measure the segments created.

What do you notice about segments AD and BC?

Summarize the information you learned about Parallelograms. Create a way to present this to the class.