ASVAB (Armed Services Vocational Aptitude Battery)Mathematics Knowledge (MK)Easy
A supply technician is organizing a storeroom. If the storeroom is 12 feet long and 9 feet wide, what is its area in square feet?
- A108 sq ft
- B42 sq ft
- C129 sq ft
- D21 sq ft
Show answer & explanationAnswer & explanation
Correct answer: A. 108 sq ft
The area of a rectangle is calculated by multiplying its length by its width. For a storeroom 12 feet long and 9 feet wide, the area is 12 * 9 = 108 square feet.
Why the other options are wrong
- B. This is twice the sum of the length and width, which is the perimeter.
- C. This is an incorrect calculation; it might be a sum of length, width, and an additional number.
- D. This is the sum of the length and width.
Area of a Rectangle
The measure of the two-dimensional space enclosed within the boundary of a rectangle.
- Calculated by multiplying length by width.
- Expressed in square units (e.g., sq ft, sq m).
- Represents the amount of surface covered.
Memory trick: Rectangles have a Right Angle for Room.