is there a rule that only angles that are divisible by 15 and 21 are only angles that can be constucted through compass
only the angle which are multiples of and so on can be constructed directly with the help of compass.
is there a rule that only angles that are divisible by 15 and 21 are only angles that can be constucted through compass
only the angle which are multiples of and so on can be constructed directly with the help of compass.