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  • Brainly User
2014-07-26T17:29:02+05:30

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Let the smallest angle be x.
let the angles be x, 2x and 3x.

sum of angles. = 180

x+2x+3x = 180
6x = 180
x = 30

the angles are 30,60,90
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2014-07-26T17:32:19+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let the smallest angle be x
Then another angle is 2x
then 3rd angle is 3x
The sum of angles of triangle add up to 180°
A.T.P.,
      x+2x+3x=180
     ⇒6x=180
     ⇒x=180/6=30

First angle =30° 
Second angle= (30×2)°=60°
Third angle=(30×3)°=90°
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