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4MA1/1FR Jun 2018, Question 4: Types of Angle

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks

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The question, in short

Use the diagram of a quadrilateral with parallel top and bottom sides and an extended bottom side; mark a right angle, name the quadrilateral, and measure angle x.

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

Part (a) · 1 mark

On the diagram, put the letter R at a right angle.

  1. 1Identify the angle that measures 90 degrees on the diagram.
  2. 2Mark that angle with the letter R.

AnswerR marked

Part (b) · 1 mark

State the mathematical name of the quadrilateral shown.

  1. 1Observe the quadrilateral has one pair of parallel sides.
  2. 2Recall that a quadrilateral with one pair of parallel sides is called a trapezium.

AnswerTrapezium

Part (c) · 1 mark

Measure the size of angle x.

  1. 1Use a protractor to measure the angle marked x.
  2. 2Read the value where the arm of the angle aligns with the protractor scale.
  3. 3Record the measurement as 65 degrees, within the acceptable range of 63 to 67.

Answer65 (accept 63 to 67)

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