Answer :

tikosamxaradze2005

Step-by-step explanation:

sum of the triangle's angles is 180°

In the ratio we note the numbers by x

5x + 7x + 3x = 180

15x= 180

x= 12

so smallest angle will be 12*3=36° (because smallest was 3x)

others will be 12*5=60°

12*7=84°

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