Problem 223
26 December 2008
Let us call an integer sided triangle with sides a 
b c barely acute if the sides satisfy
a2 + b2 = c2 + 1.
How many barely acute triangles are there with perimeter 25,000,000?
Let us call an integer sided triangle with sides a b c barely acute if the sides satisfy
a2 + b2 = c2 + 1.
How many barely acute triangles are there with perimeter 25,000,000?