2025 IGCSE Additional Mathematics May/June 0606/21 Q4

2025 IGCSE Additional Mathematics May/June 0606/21 Q4

7 marks

The coordinates of points \(A\), \(B\), \(C\) and \(D\) are as follows.

\(A(-4,3)\quad B(6,-9)\quad C(15,10)\quad D(14,-1)\)

The line \(L\) has equation \(y=11x-75\).

The perpendicular bisector of the line \(AB\) meets \(L\) at the point \(E\).

Find the area of triangle \(CDE\).[7]

Solution:

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Answer:\(40\) square units

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