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Circle theorems - Higher - EdexcelThe alternate segment theorem - Higher

Calculate the missing angles \(x\), \(y\) and \(z\). The angle in a semicircle is 90°.
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Angles in the same segment - Higher

More simply, angles in the same segment are equal. Let the obtuse angle MOQ = \(2x\). Using the circle theorem, the angle at the centre is twice the angle at the circumference. Angle MNQ = \(x\) and ...