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2001 AMC 8 Question 9

AMC8 · 2001 AMC 8

Question 9

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?
  1. $63$
  2. $72$
  3. $180$
  4. $189$
  5. $264$