Find the perimeter of an equilateral triangle.
Understand the Problem
The question is asking to find the perimeter of an equilateral triangle, which can be calculated by multiplying the length of one side by three, since all sides are equal in length.
Answer
The perimeter of the equilateral triangle is $P = 3s$.
Answer for screen readers
The perimeter of the equilateral triangle is given by the formula $ P = 3s $.
Steps to Solve
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Identify the side length For this problem, we need to know the length of one side of the equilateral triangle. Let's denote the length of one side as $s$.
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Use the perimeter formula The perimeter $P$ of an equilateral triangle is calculated by the formula: $$ P = 3s $$ Here, we multiply the side length by 3, as all three sides of the triangle are equal.
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Calculate the perimeter Plug in the value of $s$ into the formula: $$ P = 3 \times s $$
The perimeter of the equilateral triangle is given by the formula $ P = 3s $.
More Information
The perimeter is simply the sum of all the sides of the triangle. Since an equilateral triangle has three equal sides, it's a straightforward multiplication of the side length by three.
Tips
- A common mistake is forgetting that all sides of an equilateral triangle are equal. Ensure that you don't mistakenly assume different lengths for the sides.
- Another mistake is miscalculating the multiplication when finding the perimeter. Double-check your math before finalizing your answer.
