In the given figure hexagon ABCDEFABCDEF is equiangular, ABJIABJI and FEHGFEHG are squares with areas 18 and 32 respectively, △JBK\triangle JBK is equilateral and FE=BCFE = BC. What is the area of △KBC\triangle KBC?
A. 626\sqrt{2}
B. 9
C. 12
D. 929\sqrt{2}
E. 32

Five area models of straight-line figures中文
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C. 12

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