## Exam-Style Question on Trigonometry## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 130. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.

Triangle ABC has a right angle at C.

Angle BAC = 54°.

AB = 22.6 cm.

Calculate the length of BC to three significant figures.

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