Home › P6 Prelim Papers › Henry Park 2025 › Q7
Henry Park 2025 P6 Maths Prelim — Paper 1 Booklet A Q7 Solution
Question
SX, TW, ZU and YV are straight lines. Which pair of angles does not add up to 180°?
- 1. ∠a + ∠b
- 2. ∠a + ∠c
- 3. ∠b + ∠c
- 4. ∠b + ∠d
Answer: 3
Worked solution
- \text{Vertically opposite or co-interior pairs sum to } 180^{\circ}
- \angle b + \angle c \text{ are not such a pair (adjacent on different lines)}
Practise the whole paper
This is one question from the Henry Park 2025 P6 prelim. Practise the full paper online — every question marked instantly, with worked solutions.
See the Henry Park 2025 paper →
More like this: P6 Angles questions · all P6 prelim papers · free sample.