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0580/13 May/Jun 2021, Question 2: Parts of a Circle

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks

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The question, in short

A circle with centre O has points A and B on it joined by line AB; name this line and find the radius given the diameter is 16.8 cm.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 1 mark

Give the mathematical name for the straight line AB joining two points on the circle.

  1. 1AB joins two points on the circle, so it is a chord.

AnswerChord

Part (b) · 1 mark

Using a diameter of 16.8 cm, state the radius of the circle.

  1. 1Radius = 16.8 ÷ 2
  2. 2= 8.4 cm

Answer8.4

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Also searched as: 0580/13/M/J/21 · 0580_s21_qp_13 · 0580 s21 13 · question 2.
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