Alexis has a rectangular piece of red paper that is 4 centimeters wide. it's length is twice it's width. she glues a rectangular piece of blue paper on top of

the red piece measuring 3 centimeters by 7 centimeters how many square centimeters of red paper will be visible on top

Question

Mathematics

Maximo Raymond

14 March, 22:15

Alexis has a rectangular piece of red paper that is 4 centimeters wide. it's length is twice it's width. she glues a rectangular piece of blue paper on top of

the red piece measuring 3 centimeters by 7 centimeters how many square centimeters of red paper will be visible on top

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Answers (1)

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Short · Answer 1

The area of the red piece of paper is A = 4 (2*4) = 4*8 = 32 in^2.

The area of the blue piece of paper is A = 3*7=21 in^2. You subtract 21 from 32 and the difference is 11. So 11in^2 is visible.

Alexis has a rectangular piece of red paper that is 4 centimeters wide. it's length is twice it's width. she glues a rectangular piece of blue paper on top ofthe red piece measuring 3 centimeters by 7 centimeters how many square centimeters of red paper will be visible on top

Alexis has a rectangular piece of red paper that is 4 centimeters wide. it's length is twice it's width. she glues a rectangular piece of blue paper on top of

the red piece measuring 3 centimeters by 7 centimeters how many square centimeters of red paper will be visible on top