Intro to Quadrilaterals

What is a quadrilateral? (Search on Google if you need to)

How many degrees are in a full circle? 

Explore the angles of a quadrilateral by dragging the points of the shape and sliders.

After exploring quadrilaterals in the activity above, complete the statement. All of the angles for any quadrilateral must add up to...

Here's a video on quadrilaterals!

What type of quadrilateral is this:

What type of quadrilateral is this:

What would be the missing angle measure in the trapezoid below?