Graphing polygons in the coordinate plane

What is the area of the rectangle on the coordinate plane?

• 20 square units

• 14 units

• 18 units

• 25 square units

Create the rectangle (-1,2) (1,2) and the AREA is 14 units²

What is the missing length?

• 2

• 8

• 7

• 12

What is the area of the triangle below?

• 2 square units
• 2.5 square units
• 3 square units
• 3.5 square units

A figure is being plotted on the coordinate grid. Where would the last point need to be plotted in order to finish the figure?

• (6 , 4)

• (4 , 6)

• (-4 , 6)

• (-6 , 4)

Two sides of Parallelogram WXYZ are shown in the graph below. What should be the coordinates of Point X?

• (2, 1)
• (2, 2)
• (2, 3)
• (2, 4)

What is the area of the following rectangle?

• 18 square units

• 21 square units

• 24 square units

• 28 square units

What is the area of rectangle ABCD

• 45 square units

• 50 square units

• 28 square units

• 14 square units

Question 2: Prove that the quadrilateral with vertices at (2,3), (5,7), (8,5), and (5,1) is a parallelogram.

• Calculate the area of the quadrilateral and show that it is equal to zero.

• Calculate the slopes of the opposite sides and show that they are equal.

• Prove that the diagonals bisect each other.

• Show that the opposite angles are equal.

The area of the trapezoid is ______ square units.

The drawing shows points  ^A,B, and ^C. At what location would you add point ^{D to create a square ?}

• ( 2,1 )
• (4,5)
• ( 5, 4 )
• ( 5, 10 )