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Thriving Scholars TMUA Full Mock Test 1 Paper 1 · Q10

Paper 1TrigonometryGeometryNumber & counting

In △ABC\triangle ABC with integer side lengths, cos⁡A=1116\cos A=\dfrac{11}{16}, cos⁡B=78\cos B=\dfrac78, and cos⁡C=−14\cos C=-\dfrac14. What is the least possible perimeter for △ABC\triangle ABC?

A99
B1212
C2323
D2727
E4444

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