Area and Perimeter of Shapes in the Coordinate Plane

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

What is the perimeter of the shaded figure?

• 12

• 10

• 16

• 18

What is the area of this figure?

• 7 units²

• 15 units²

• 7.5 units²

• 15.5 units²

What is the area of the combined shapes?

• 24 sq. units

• 20 sq. units

• 27 sq. units

• 34 sq. units

• 9 square units

• 7 square units

• 6 square units

• 10 square units

What is the length of the longest side of the rectangle?

• 4 units

• 5 units

• 2 units

• 3 units

Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A (7, 9), B (7, -2), C (12, -2), D (12, 9).

What is the perimeter (add up all sides) of rectangle ABCD?

• 22 units²

• 32 units²

• 12 units²

• 10 units²

Select all the triangles that have an area of at least 20 square units.

• A

• B

• C

• D

• E

Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(3,2), B(5, 2), C(5,6), and D(3,6). Given these coordinates, what is the length of side AB of this rectangle?

• 2 units

• 3 units

• 4 units

• 5 units

• 1 unit

How do you calculate perimeter?

• add up all the sides

• Multiply length x width

• multiply length x width x height

• do the order of operations