Five fourths of a right angle
A right angle is 90 degrees.
Five fourths is \(\sf \frac{5}{4}\)
Five fourths OF A right triangle
\(\sf \frac{5}{4}\) OF 90 degrees
Of means multiplication so:
\(\sf \frac{5}{4}\times 90\)
And that equals to 112.5
So your final answer is
\(\boxed{\bf{112.5~degrees}}\)
