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Nanyang 2025 P6 Maths Prelim — Paper 1 Booklet A Q5 Solution
Question
BOD is a straight line. $\angle AOD = 100^\circ$ and $\angle BOC = 76^\circ$. Find $\angle COD$.
- 1. $80^\circ$
- 2. $92^\circ$
- 3. $104^\circ$
- 4. $124^\circ$
Answer: 3
Worked solution
- BOD is a straight line, so $\angle BOC + \angle COD = 180^\circ$. Thus $\angle COD = 180^\circ - 76^\circ = 104^\circ$.
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