Problem 224
26 December 2008
Let us call an integer sided triangle with sides a 
b c barely obtuse if the sides satisfy
a2 + b2 = c2 - 1.
How many barely obtuse triangles are there with perimeter 75,000,000?
Let us call an integer sided triangle with sides a b c barely obtuse if the sides satisfy
a2 + b2 = c2 - 1.
How many barely obtuse triangles are there with perimeter 75,000,000?