the soon of two angles of a triangle is 120°and their difference is 20°. Find all the the three angles of a triangle
Answers
Answered by
2
let the angles be x , y and z
x+y =120
x-y =20
2x=140
x=70
y=120-x=120-70=50
x+y+z=180
70+50+z=180
z=180-120
z=60
x+y =120
x-y =20
2x=140
x=70
y=120-x=120-70=50
x+y+z=180
70+50+z=180
z=180-120
z=60
Similar questions