Question 544924
let one small angle be x
& other be y

Largest angle = (x+y)-20
x+y+x+y-20=180
2x+2y=200
x+y=100

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x+(x+y)-20=90+y
x+x+y-20=90+y
2x=110
x=55
y=45
the largest angle = 55+45-20=80
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