Similar Triangles – Foundation – GCSE Questions – AQA These questions are the same format as previous GCSE exams. COPY means they use the exact same numbers as the original GCSE question. Otherwise, they are clone questions using different numbers. The worksheets are provided in 2 sizes.

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AQA Foundation: May 2018 Paper 1, Q4 Which shape is similar to shape X? 1 Which shape is similar to shape X? Circle the correct letter. [1 mark] Circle the correct letter. [1 mark] X X A A C C D D B B AQA Foundation: May 2018 Paper 1, Q4 AQA Foundation: May 2018 Paper 1, Q4 1 Which shape is similar to shape X? 1 Which shape is similar to shape X? Circle the correct letter. [1 mark] Circle the correct letter. [1 mark] X X A A C C D D B B

AQA Foundation: June 2017 Paper 3, Q16 Triangles ABC and DEF are similar. 1 Triangles ABC and DEF are similar. B B E Not drawn accurately E Not drawn accurately 11 cm 11 cm 38° 𝑥 cm 38° 𝑥 cm 𝑦 𝑦 A D A D 8 cm C 4 cm F 8 cm C 4 cm F [2 marks] [2 marks] 1 (a) Work out the value of 𝑥. 1 (a) Work out the value of 𝑥. Answer Answer 1 (b) Write down the size of angle 𝑦. [1 mark] 1 (b) Write down the size of angle 𝑦. [1 mark] Answer degrees Answer degrees AQA Foundation: June 2017 Paper 3, Q16 AQA Foundation: June 2017 Paper 3, Q16 1 Triangles ABC and DEF are similar. 1 Triangles ABC and DEF are similar. B B E Not drawn accurately E Not drawn accurately 11 cm 11 cm 38° 𝑥 cm 38° 𝑥 cm 𝑦 𝑦 A D 8 cm C 4 cm F A D 8 cm C 4 cm F [2 marks] [2 marks] 1 (a) Work out the value of 𝑥. 1 (a) Work out the value of 𝑥. Answer Answer 1 (b) Write down the size of angle 𝑦. [1 mark] 1 (b) Write down the size of angle 𝑦. [1 mark] Answer degrees Answer degrees

AQA Foundation: June 2018 Paper 3, Q25 A and B are similar shapes. B is an enlargement of A with scale factor 2.5 1 A and B are similar shapes. B is an enlargement of A with scale factor 2.5 15 cm 15 cm 𝑦 𝑦 𝑎 121° 𝑎 121° 3 cm 3 cm 𝑥 Not drawn accurately 𝑥 Not drawn accurately Work out the values of 𝑎, 𝑥 and 𝑦 Work out the values of 𝑎, 𝑥 and 𝑦 [3 marks] [3 marks] 𝑎= degrees 𝑎= degrees 𝑥= cm 𝑥= cm 𝑦= cm 𝑦= cm

AQA Foundation: June 2018 Paper 3, Q25 A and B are similar shapes. B is an enlargement of A with scale factor 2.5 15 cm 𝑦 𝑎 121° 3 cm 𝑥 Not drawn accurately Work out the values of 𝑎, 𝑥 and 𝑦 [3 marks] 𝑎= degrees 𝑥= cm 𝑦= cm

AQA Foundation: June 2018 Paper 3, Q25 A and B are similar shapes. B is an enlargement of A with scale factor 2.5 15 cm 𝑦 𝑎 121° 3 cm 𝑥 Not drawn accurately Work out the values of 𝑎, 𝑥 and 𝑦 [3 marks] a = same 𝑥 = 3 × 2.5 = 7.5 𝑦 = 15 ÷ 2.5 = 6 121 𝑎= degrees 7.5 𝑥= cm 6 𝑦= cm

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