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To calculate the perimeter of a triangle, add the length of its sides. For example, if the sides of a triangle are a, b, and c, the perimeter of the triangle is P = a + b + c.
Since all three sides of the triangle are the same length, you can multiply the length of each side by 3 to get the perimeter.
To find the circumference of a circle, multiply the diameter of the circle by π (pi). The circumference can also be calculated by multiplying 2 x radius by pi (π = 3.14).
Learn more about the circumference of a circle here:https://brainly.com/question/23986334
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