Question

An equilateral triangle measures 3½ inches on one side. What is the perimeter of the triangle?

Answer 1

Since it's an equilateral triangle, all of the angles are the same. Since its perimeter we just need to add. So 3.5+3.5+3.5= 10.5
So the answer is 10.5

Answer 2

Hey!

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We Know:

An equilateral triangle is a triangle where each side measures the same.

Each side measure's 3.5 inches.

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Solution:

Just add all three sides.

3.5 + 3.5 + 3.5 = 10.5

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Answer:

10.5 inches.

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Hope This Helped! Good Luck!