Topic 9 Polygons in the Coordinate Plane

Jim plotted points A and B on the coordinate grid. He wants to add a point C to create a right triangle. Which of the following coordinates would not create a triangular ?

• (5,8)
• (6,8)
• (3,2)
• (3,7)

What is the perimeter of the shape?

• 20 units

• 12 units squared

• 22 units

• 32 units squared

Ordered pair (0,0) is also known as the ___.

• y-axis
• x-axis
• origin

What letter is located at (8, 5)?

• A
• B
• C
• D

What is the area of the shape?

• 35 units squared
• 24 units squared
• not enough information
• 22 units squared

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

• 2
• 9
• 10
• 8

Jim plotted points A and B on the coordinate grid. He wants to add a point C to create a right triangle. Which of the following coordinates would not create a triangular ?

• (5,8)
• (6,8)
• (3,2)
• (3,7)

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 (0,30). The coordinates are measured in feet. What is the area of the exhibit?

• 72 feet²

• 48 feet²

• 4800 feet²

• 7200 feet²

• 9600 feet²

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