Check out the updated revision resources for GCSE Maths: Angles in the same segment, with step-by-step slideshows, quizzes, practice exam questions, and more! Let the obtuse angle MOQ = \(2x\). Using ...
More simply, the angle at the centre is double the angle at the circumference. Angle OGK (\(x\)) = angle OKG because triangle GOK is also isosceles. Lengths OK and OG are also both radii. Angle GOH = ...
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