Exam Style Question
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Question id: 251. This question is similar to one that appeared in a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.
Four copies of a green right-angled triangle are used to enclose a yellow square.
Find the area of the yellow square if the longest side of the green triangle is of length \(a\) cm and the shortest side is \(b\) cm.
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