littlelearner3
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The perimeter of a rectangular picture frame can be represented by the expression 6x , where x is one of the side lengths. Rewrite the expression as the sum of the four side lengths.

Sagot :

semsee45

Answer:

perimeter = x + x + 2x + 2x

Step-by-step explanation:

  • Perimeter of a rectangle = 2W + 2L
    (where W is the width and L is the length)

Let x = one of the width side lengths:

⇒ 6x = 2x + 2L

⇒ 6x - 2x = 2L

⇒ 4x = 2L

⇒ 4x ÷ 2 = L

⇒ 2x = L

Therefore, perimeter = x + x + 2x + 2x

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