what is five fourths of a right angle
5/4 of 90 degrees:90*5/4=112.5 degrees
a right angles is 90 degreesif you mean 5/4 of the MEASURE of a right angle then90 times 5/4 (because in math 'of' means multiply)90 tmes 5/4=450/4=225/2=112.5 degrees