The top and bottom margins of a poster are 4 cm and the side margins are each 2 cm. If the area of printed material on the poster is fixed a?

The top and bottom margins of a poster are 4 cm and the side margins are each 2 cm. If the area of printed material on the poster is fixed at 390 square centimeters, find the dimensions of the poster with the smallest area.

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  • 2 weeks ago

    Really? Square root of 390 plus 2 cm on each side, and 4 cms on top and bottom, then multiple length times width. 

    • Marcella2 weeks agoReport

      i think that helps me find the area? not the dimensions. i got 86.9936 cm by following what you said but thats not dimensions haha

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