What is the formula for the perimeter of a triangle with sides a, b, and c?

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Multiple Choice

What is the formula for the perimeter of a triangle with sides a, b, and c?

Explanation:
Perimeter is the distance around a shape, so for a triangle you add up all three side lengths. With sides a, b, and c, the total around the triangle is a + b + c, giving P = a + b + c. The other formulas correspond to different figures or quantities: π r^2 is the circle’s area, 4s is a square’s perimeter, and 2l + 2w is a rectangle’s perimeter.

Perimeter is the distance around a shape, so for a triangle you add up all three side lengths. With sides a, b, and c, the total around the triangle is a + b + c, giving P = a + b + c. The other formulas correspond to different figures or quantities: π r^2 is the circle’s area, 4s is a square’s perimeter, and 2l + 2w is a rectangle’s perimeter.

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