0607.C5.5.02 — sum of angles at a point on a straight.: past paper questions
Real questions on 0607.c5.5.02 — sum of angles at a point on a straight.
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- 0607/52 · February/March 2025 · Q8[2]
2-mark “Show” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/52 · February/March 2025 · Q9[1]
1-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/43 · May/June 2024 · Q7b[3]
3-mark “Calculate” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/43 · May/June 2024 · Q7c[3]
3-mark “Calculate” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/43 · May/June 2024 · Q7d[3]
3-mark “Calculate” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/43 · May/June 2024 · Q8a[6]
6-mark “Show” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0607/22 · October/November 2019 · Q4[3]
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What examiners said
Again, the same comments regarding finding the angle in the remaining polygon still apply. But in this question there is no such remaining polygon possible and so candidates needed to explain why this was the case. A popular method was to calculate the number of sides, as in previous examples, and note that the answer was not an integer. Others made the observation that 117° was not an interior...
— Examiner report, February/March 2025, 0607/52 Q8 (Cambridge)
Many candidates correctly calculated the angle of the remaining polygons by subtracting 60 from 360 and dividing by 2. This angle of 150 was then used in the formula to find the number of sides. Other candidates assumed that the polygon had 12 sides and used a formula to calculate 150 and show that the angles of the three polygons totalled 360. This reverse approach was condoned. However some of...
— Examiner report, February/March 2025, 0607/52 Q9 (Cambridge)
Candidates worked with the exterior angle and scored full marks. There were some examples of careless arithmetic errors.
— Examiner report, October/November 2019, 0607/22 Q4 (Cambridge)
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