1. Similar Triangles – Higher – 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.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. AQA Higher: May 2017 Paper 1, Q22 AQA Higher: May 2017 Paper 1, Q22
ABC and XYC are similar triangles. 1
ABC and XYC are similar triangles. A A
Not drawn
accurately
Not drawn
accurately X X B C B C Y Y
Which of these is equivalent to 𝑋𝐶 𝐴𝐶 ?
Circle your answer.
Which of these is equivalent to 𝑋𝐶 𝐴𝐶 ?
Circle your answer.
[1 mark]
[1 mark]
𝐵𝑌 𝑌𝐶
𝐴𝐵 𝑋𝑌
𝐵𝐶 𝑌𝐶
𝑋𝑌 𝐴𝐵
𝐵𝑌 𝑌𝐶
𝐴𝐵 𝑋𝑌
𝐵𝐶 𝑌𝐶
𝑋𝑌 𝐴𝐵
AQA Higher: May 2017 Paper 1, Q22
AQA Higher: May 2017 Paper 1, Q22 1
ABC and XYC are similar triangles. 1
ABC and XYC are similar triangles. A A
Not drawn
accurately
Not drawn
accurately X X B C B C Y Y
Which of these is equivalent to 𝑋𝐶 𝐴𝐶 ?
Circle your answer.
Which of these is equivalent to 𝑋𝐶 𝐴𝐶 ?
Circle your answer.
[1 mark]
[1 mark]
𝐵𝑌 𝑌𝐶
𝐴𝐵 𝑋𝑌
𝐵𝐶 𝑌𝐶
𝑋𝑌 𝐴𝐵
𝐵𝑌 𝑌𝐶
𝐴𝐵 𝑋𝑌
𝐵𝐶 𝑌𝐶
𝑋𝑌 𝐴𝐵

5. AQA Higher: June 2018 Paper 3, Q6 AQA Higher: June 2018 Paper 3, Q6
A and B are similar shapes.
B is an enlargement of A with scale factor 1.5 1
A and B are similar shapes.
B is an enlargement of A with scale factor 1.5
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

8. AQA Higher: June 2018 Paper 3, Q6
A and B are similar shapes.
B is an enlargement of A with scale factor 1.5
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

10. AQA Higher: June 2018 Paper 3, Q6
A and B are similar shapes.
B is an enlargement of A with scale factor 1.5
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

11. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
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