Mathematics · Oct / Nov 2025 · Paper 21 · Question 3
0580
As printed in the paper
The question as text
0580/21/O/N/25 © UCLES 2025 [Turn over 3 Find the interior angle of a regular 20-sided polygon. [2]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
162 [1]
( ) 2 180 20 − 2
M1 for 180 – 360 or for 20 20
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.