Perimeter with Polynomials

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What is the Perimeter?

Back

The perimeter is the total distance around a two-dimensional shape, calculated by adding the lengths of all its sides.

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What is the formula for the perimeter of a square?

Back

The perimeter of a square is given by the formula P = 4s, where s is the length of one side.

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Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is given by the formula P = 2(l + w), where l is the length and w is the width.

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Front

What is the perimeter of a polygon?

Back

The perimeter of a polygon is the sum of the lengths of all its sides.

Front

If the perimeter of a rectangle is 20 inches and the length is 6 inches, what is the width?

Back

Using the formula P = 2(l + w), we have 20 = 2(6 + w). Solving gives w = 4 inches.

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What is the perimeter of a triangle with sides 5 cm, 7 cm, and 9 cm?

Back

The perimeter is 5 + 7 + 9 = 21 cm.

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What is the relationship between the perimeter and the area of a shape?

Back

The perimeter measures the boundary length, while the area measures the space within the shape. They are related but distinct concepts.