Clive ....

Shouldn't 62.831 be 174.53 degrees of a 1000 degree circle

62.831/90 x's 250 = 174.53

And while we are checking things shouldn't 31.42 be

31.42/90 x's 250 = 87.28

And if we use a 2000 degree circle we would have, following your example

62.831/2000 x's 1000 = 31.42

And a very easy way to figure it out is to go:

1000/360 = 2.7777/angle

2.7777/62.831 = 22.62

and the other way (my way) we multiply by 2.77777 so we have 62.831 x 2.77777 = 174.53

Cheers
Don Barone

"There is nothing as impenetrable as a closed mind"
and ..." if everything is a coincidence what is the point of studying or measuring or analyzing anything ?" db