1. **State the problem:** Calculate the area of a rectangle with length 9 cm and width 3 cm.
2. **Formula:** The area $A$ of a rectangle is given by the formula:
$$A = \text{length} \times \text{width}$$
3. **Substitute the values:**
$$A = 9 \times 3$$
4. **Calculate:**
$$A = 27$$
5. **Conclusion:** The area of the rectangle is $27$ cm².
The correct answer is C 27 cm².
Rectangle Area E0Da5D
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