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To promote her school's annual Kite Olympics, Genevieve makes a small kite and a large kite for a bulletin board display. Her small kite is drawn on a one-inch grid, as shown below.

 

 

 

 

 

 

For the large kite, Genevieve triples both the height and width of the entire grid. The large kite is covered with gold foil. The foil is cut from a rectangular piece that just covers the entire grid.

 

How many square inches of waste material are cut off from the four corners?

 Apr 5, 2020
 #1
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What are you confused on?

 Apr 5, 2020
 #3
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1. Find area the enlarged grid

2. Area of enlarged grid minus enlarged kite = answer


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