### Home > CC4 > Chapter 3 > Lesson 3.1.5 > Problem 3-55

3-55.

Lourdes has created the following challenge for you: She has given you three of the four points necessary to determine a rectangle on a graph. She wants you to find the points that “complete” each of the rectangles below, and then calculate the area of the rectangles formed in parts (a), (b), and (d). 3-55 HW eTool (Desmos) Desmos Accessibility Homework Help ✎.

(–1, 3), (–1, 2), (9, 2)

(3, 7), (5, 7), (5, –3)

(–5, –5), (1, 4), (4, 2)

(–52, 73), (96, 73), (96, 1483)

(9, 3)

Use the eTool below to help you determine the final points of the the rectangles.

Click the link at right for the full version of the eTool: Int1 3-55 HW eTool.