Exam-Style Question on Trigonometry
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 233. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.
In the diagram of triangle ABC (not to scale) D is a point on BC.
AB = 15.4cm, BD = 8.1cm, angle CAD = 23o and angle ABD = 32o.
Calculate the area of triangle ADC.
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