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0580/13 May/Jun 2021, Question 1: Types of Angle

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

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The question, in short

From a diagram of two straight lines meeting at a point, measure the marked angle a and give the mathematical name for this kind of angle.

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

Part (a) · 1 mark

Measure the size of angle a shown in the diagram.

  1. 1Place the protractor's centre on the vertex and read from the zero on one arm.
  2. 2Angle a ≈ 146°

Answer144 to 148

Part (b) · 1 mark

State the mathematical name for the type of angle marked a.

  1. 1Angle a is between 90° and 180°, so it is obtuse.

AnswerObtuse

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Also searched as: 0580/13/M/J/21 · 0580_s21_qp_13 · 0580 s21 13 · question 1.
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