In the triangle \(ABC\), we are told that \(DE \parallel BC\), with ratio \( \dfrac{DE}{BC} = \dfrac14\).
And the area of the triangle \(ADE\) is 10.
In \(\text{unit}^2\), find the area of the trapezium \(BCED\) and the area of the triangle \(CED\), respectively.

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