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Exam-Style Questions on Exact TrigonometryProblems on Exact Trigonometry adapted from questions set in previous Mathematics exams. |
1. | GCSE Higher [800] |
The old photograph below shows a large red set square (right-angled triangle) on the board of a draughtsman. The angle at the top of the set square is 60 degrees and the base of the set square is 25 centimetres . Find the exact length of the hypotenuse of the set square.
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