Exam-Style Question on Circle
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 572. This question is similar to one that appeared on an IB AA Standard paper in 2021. The use of a calculator is not allowed.
The diagram shows a circle with a minor sector shaded blue and a major sector shaded yellow.
The angle subtended by the major sector at the centre of the circle is six radians.
The perimeter of the major sector is 32.
(a) Find the value of r.
(b) Hence find the exact area of the minor sector.
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