AMC 8 2001 Problem 8

AMC8 2001 年第 8

四边形与多边形★★☆☆☆
Problem To promote her school's annual Kite Olympics, Genevieve makes a small kite and a large kite for a bulletin board display. The kites look like the one in the diagram. For her small kite Genevieve draws the kite on a one-inch grid. For the large kite she triples both the height and width of the entire grid. Genevieve puts bracing on her large kite in the form of a cross connecting opposite corners of the kite. How many inches of bracing material does she need?
给大风筝制作了一个十字形的支架,支架即为风筝的两条对角线。她需要多少英寸的支架材料?
  1. A.30
  2. B.32
  3. C.35
  4. D.38
  5. E.39

正确答案 · Correct Answer

E

解析 · Solution

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