Question

the angle s of a triangle are arranged in ascending order of magnitude. if the different between 2 consecutives angles is 10, find all angles

Answer 1

let
the first angle is x,
2nd will be (x+10),
3rd will be (x+10+10)=(x+20)

then,
x +(x+10) +(x+20) = 180
or, 3x +30 = 180
or, 3x = 180-30 =150
or x = 150/3 = 50
then,
x+10 = 50+10 =60
x+20 = 50+20 =70
hence ,
angles are 50, 60 and 70

I hope this will help you...