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°
5.2m questions
6.7m answers