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4MA1/1FR Jun 2019, Question 4: Perimeter and Area of a Rectangle

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

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The question, in short

Using centimetre grids, construct two shapes: a rectangle whose perimeter is 14 cm, and a right-angled triangle whose area is 12 cm².

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

Part (a) · 2 marks

On the centimetre grid, sketch a rectangle that has a perimeter of 14 cm.

  1. 1Perimeter = 2 × (length + width)
  2. 2Choose length and width such that 2 × (l + w) = 14
  3. 3So l + w = 7
  4. 4Draw rectangle with e.g. length 4 cm and width 3 cm

AnswerRectangle with perimeter 14 cm

Part (b) · 2 marks

On the centimetre grid, sketch a right-angled triangle that has an area of 12 cm².

  1. 1Area = (1/2) × base × height
  2. 2Choose base and height such that (1/2) × b × h = 12
  3. 3So b × h = 24
  4. 4Draw right-angled triangle with e.g. base 6 cm and height 4 cm

AnswerRight-angled triangle with area 12 cm²

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