Exam Style Question on Trigonometry
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 35. This question is similar to one that appeared in an IB Standard paper in 2013. The use of a calculator is allowed.
The diagram shows a circle of radius 8.6cm with points ABCD on the circumference of the circle.
(a) Find the length of line AC.
(b) Find angle ACD.
(c) Use your answer to part b to find angle ACB.
(d) Find the area of triangle ADC.
(e) Find the total area of the shaded regions.
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