Coordinate Plane and Polygons

You design a tree house using a coordinate plane. You plot the vertices of the floor at J (2, 1), K (2, 8), L(9, 8), and M (9, 1). The coordinates are measured in feet. What is the area of the tree house?

• 28 feet²

• 49 feet²

• 56 feet²

• 64 feet²

What letter is located at (8, 5)?

• A

• B

• C

• D

What is the distance between points  (10, 7) and  (2, 7) on a coordinate plane?

• 2

• 9

• 10

• 8

What is the distance between points  (5, 5) and  (1, 5) on a coordinate plane?

• -4

• 4

• 10

• -10

The vertices of the giraffe exhibit at a Zoo are E(0,90), F(60, 90), G (100,30), and H (0,20). The coordinates are measured in feet. What is the area of the exhibit?

• 72 feet²

• 48 feet²

• 4800 feet²

• 7200 feet²

• 9600 feet²

The __ - axis is the horizontal axis of the coordinate plane.  

• X

• Y

• Z

• None of the above

What is the distance between points (-7, 8) and (2, 8)?

• 4 units

• 5 units

• 3 units

• 9 units

What is the perimeter of a rectangle with corners at (2,2), (2,-4), (-5,-4), and (-5,2).

• 13 units

• 26 units

• 42 units

• 10 units

What are the coordinates of point H?

• -4, 2

• 4, -2

• -2, 4

• 4, 4

Points G, H, and I are plotted on the coordinate grid.  How many units are between points G and H?

• 9 units

• 14 units

• 13 units

• 12 units