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Cambridge IGCSE Additional Mathematics

8.2-8.3Circles, lines and tangents

Circles, lines and tangents in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic19 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 8.2Solve problems on the intersection of a circle and a straight line.
  2. 8.3Solve problems involving tangents to a circle.

Lessons

  • Circles, lines and tangents

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Circles, lines and tangents: sample question

1 mark

How many points do the line y=7y = 7 and the circle x2+y2=49x^2 + y^2 = 49 have in common?

Only if the answer has a unit, e.g. cm or km/h.

Turn Circles, lines and tangents into a strength.

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