In the above diagram, ABCD is a rectangle with AE = EF = FB. What is the ratio of the area of the triangle CEF and that of the rectangle?
Explanation:
∵ AB = 3 × EF
Area of (∆CEF)Area of (□ABCD)=12×EF×CBAB×CB
Area of (∆CEF)Area of (□ABCD)=12×EF×CB3×EF×CB=16
Hence, option (a).
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