### Home > CCG > Chapter 1 > Lesson 1.2.4 > Problem 1-85

1-85.

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

*.*

,

*,*

*, and*

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.

Is each pair of adjacent segments perpendicular?

If

is rotatedclockwise ( ) about the origin to form , what are the coordinates of the vertices of?Complete the table in the eTool below then click the "View Rotated Figure" circle to answer part (b).

Click the link at right for the full version of the eTool:*1-85 HW eTool*