### Home > INT2 > Chapter 2 > Lesson 2.1.1 > Problem 2-8

2-8.

Plot the following points on a sheet of graph paper and connect them in the order given. Then connect points and

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A rectangle is a four-sided polygon with four right angles. Does the shape you graphed appear to be a rectangle? Use slope to justify your answer.

Use the graph to help find the slopes. How do the slopes of perpendicular lines compare?

If

is rotatedclockwise ( ) about the origin to form , what are the coordinates of the vertices of?Since the origin is at

rotate each point in correlation to this point. .