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a rectangular red sticker has a perimeter of 20 millimeters . it's area is 21 square millimeters . what are the dimensions of the sticker?

Respuesta :

Answer:

the stick is a 7 by 3

Step-by-step explanation:

7+3+7+3 adds to 20 which would be the perimeter and the area is just length times width so 7 times 3.

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