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## Answers

sum of the angles= 4+5+6= 15.

sum of the total angles in traingle= 180 degrees.

so,

1st angle= 4/15*180degrees= 48 degrees.

2nd angle= 5/15*180degrees=60 degrees.

3rd angle= 6/15*180 degrees= 72 degrees.

verification..

sum of all angles in triangle= 180 degrees.

=48+60+72= 180 degrees.

hope this helps.