Question 375327
let smallest angle be x
second angle = 2x
largest angle = 2x+20
..
x+2x+2x+20=180
5x+20=180
-20
5x=180-20
5x=160
/5
x= 160/5
x=32 -- smallest angle
..
second angle = 2x = 2*32= 64
third angle = 2x+20 = 2*32+20=84
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CHECK
32+64+84=180
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m.ananth@hotmail.ca