Exam-Style Question on Circle
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 272. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.
This draft emoji design (not drawn to scale) includes a circle and a kite.
AB and AC are both tangents to the circle centre O.
The radius of the circle is 7cm. The dashed line AO is 12cm.
Calculate the length of the arc BDC.
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