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15:40 feel like it would have been quicker and more beneficial to give (n-2)*180 where n is the number of internal angles.
20:10 surely 31/36 to be more mathematics exam accurate.
19:53 how r u supposed to do that in a non calc paper?
because 1 is equal to 72/72 so you do 72/72-10/72 which equals 62/72
15:40 feel like it would have been quicker and more beneficial to give (n-2)*180 where n is the number of internal angles.
20:10 surely 31/36 to be more mathematics exam accurate.
19:53 how r u supposed to do that in a non calc paper?
because 1 is equal to 72/72 so you do 72/72-10/72 which equals 62/72