Mathematics · Oct / Nov 2025 · Paper 22 · Question 16
0580
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0580/22/O/N/25 © UCLES 2025 16 NOT TO SCALE î C Í A 14ï AÍ and Íî are two sides of a regular 15-sided polygon. AÍ and ÍC are two sides of a regular ħ-sided polygon. Angle îÍC 14°. Work out the value of ħ. ħ [4]
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36 [4]
M3 for 360 ‣ − 360 1 4 oe 15
or B2 for 24 or 156
or M1 for 360 ÷ 15 or ( ) − × 15 2 1 80 oe 15
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