B. 42 square millimeters
To find the area of a rectangle, you multiply the length by the width.
Area = 12 mm * 9 mm
Area = 108 mm^2
Therefore, the area of the rectangle is 108 square millimeters.
Use the rectangle to answer the question.
Information
The rectangle is 12 millimeters long and 9 millimeters wide.
Question
What is the area of the rectangle?
Answer options with 5 options
A.
21 square millimeters
B.
42 square millimeters
C.
81 square millimeters
D.
108 square millimeters
E.
144 square millimeters
1 answer
1 answer