AQA · Mathematics · 8300
GCSE Maths: Circle theorems proof: alternate segment theorem
Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise for Circle theorems proof: alternate segment theorem (Corbettmaths Video 65), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.
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What is the measure of an angle inscribed in a semicircle?
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90°
How does the angle at the centre of a circle compare to the angle at the circumference subtended by the same arc?
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The angle at the centre is twice the angle at the circumference.
What is true about angles inscribed in the same segment of a circle?
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Angles in the same segment are equal.
What is the sum of opposite angles in a cyclic quadrilateral?
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180°
What is the angle between a tangent to a circle and the radius at the point of contact?
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90°
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