1. **Problem Statement:** Find the perimeter of an equilateral triangle where each side measures 11 inches.
2. **Formula:** The perimeter $P$ of an equilateral triangle is given by:
$$P = 3 \times \text{side length}$$
3. **Explanation:** Since all sides of an equilateral triangle are equal, you multiply the length of one side by 3 to get the total perimeter.
4. **Calculation:**
$$P = 3 \times 11 = 33$$
5. **Answer:** The perimeter is 33 inches.
Equilateral Triangle Perimeter D99B4D
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