Mitiku D. answered 01/25/15
Tutor
4.9
(205)
Electrical Engineer, Patient and Objective
HI Jean,
Let the smallest angle be x and the other two y and z.
y=x+5
z=2x-25
x+y+z=180=x+x+5+2x-25
<=>4x-20=180
<=>4x=200 => x = 50
y=50+5=55
z=2850-25=75
50+55+75=180