AQA · Mathematics · 8300
GCSE Maths: Angles: measuring
Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Angles: measuring (Corbettmaths Video 31), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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What are the four main types of angles?
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Acute, right, obtuse, and reflex.
Which type of angle is smaller than 90 degrees?
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Acute angle.
How many degrees is a right angle?
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90 degrees.
What is the sum of angles that meet at a point?
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360 degrees.
When measuring an angle with a protractor, what common error occurs if you read the wrong scale?
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Reading the outside number instead of the inside number (or vice versa), which gives the supplementary angle.
If a protractor shows both 32° and 148° for the same angle, which reading represents an obtuse angle?
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148°, because obtuse angles are between 90° and 180°.
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