AMC 8 2015 Problem 21

AMC8 2015 年第 21

四边形与多边形★★★★
In the given figure hexagon ABCDEF is equiangular, ABJI and FEHG are squares with areas 18 and 32 respectively, \triangle JBK is equilateral and FE=BC. What is the area of \triangle KBC?
如图所示,六边形 ABCDEF 是个等角六边形,ABJI 和 FEHG 是面积分别为 18 和 32 的正方形。 是等边三角形,且 FE=BC,则的面积是多少?
AMC 8 2015 Problem 21 figure
  1. A.626\sqrt{2}
  2. B.9
  3. C.12
  4. D.929\sqrt{2}
  5. E.32

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

继续练习

真题版权归属 MAA(AMC)。本站仅供学习用途。版权方如有异议,请联系本站予以下架。

Problems © MAA (AMC). This site is for study purposes only. Rightsholders may contact us for removal.