To find the area of the rectangle:

Formula for Area:

$\text{Area} = \text{Length} \times \text{Width}$

Given:

• Length = $18 \, \text{in}$
• Width = $3 \, \text{in}$

Calculation:

$\text{Area} = 18 \times 3 = 54 \, \text{in}^2$

Answer:

The area of the rectangle is 54 in².

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Related Questions:

1. How do you find the area of a square?
2. What is the formula for the perimeter of a rectangle?
3. If a rectangle's area is 72 in² and one side is 6 in, what is the other side?
4. How do you calculate the area of a triangle?
5. What are some real-life applications of finding areas of rectangles?

Tip: Always include units in your final answer to avoid confusion.