Answer :
a right angle = 90
3/4 of 90...." of " means multiply
3/4 * 90 = 270/4 = 67.5
5/3 of 90
5/3 * 90 = 450/3 = 150
3/4 of 90...." of " means multiply
3/4 * 90 = 270/4 = 67.5
5/3 of 90
5/3 * 90 = 450/3 = 150