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Cambridge IGCSE Mathematics practice

exam practice - Determine the lengths of shapes that are similar to one another. - Similarity

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2

Paper

2

Marks

Topic

Similarity

Exam-style question

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Paper 2Core or Extended Mathematics2 marks

Similar rectangles

Description

Similar Rectangles

Rectangle A has a length of 4 cm and a width of 6 cm. Rectangle B is similar to rectangle A and has a length of 8 cm.

  1. a

    Determine the width of rectangle B.

    Aim for approximately 2 distinct marking points.

    [2]

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  • Topic focus: Similarity.
  • Question style: structured_mathematics.
  • Reasoning demand: reasoning.
  • Check the operation, notation, units, and final answer form against the question before moving on.

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Paper 2 structured question: Similarity

Paper 2Core or Extended Mathematics3 marks

Description

Similar Triangles

Triangle A has sides of 5 cm, 12 cm, and 13 cm. Triangle B is similar to triangle A and has a side of 10 cm corresponding to the 5 cm side of triangle A.

  1. a

    Calculate the lengths of the other two sides of triangle B.

    Aim for approximately 3 distinct marking points.

    [3]