Question 1

Choose a word from the list below to complete the sentence.

arc, centre, circumference, diameter, radius, sector, segment, tangent

A radius meets a __________ at a right angle.

Accepted Answer

Consider the properties of lines related to a circle. One of the key circle theorems describes the angle between a radius and a specific type of line that touches the circle at a single point.

Question 2

What mistakes do candidates make on this AQA GCSE question?

Accepted Answer

✗ Choosing chord or secant. A radius does not generally meet a chord at a right angle, unless it bisects the chord.

Choose a word from the list below to complete the sentence.
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arc, centre, circumference, diameter, radius, sector, segment, tangent
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A radius meets a __________ at a right angle.

How to approach this question

Full Answer

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