Question

please solve this fully I mark you be a brainlist ok.​

Answer 1

Answers :

Let 1st angle=3x

Let 2nd angle=4x

Let 3rd angle=5x

By angle sum property

3x+4x+5x=180

12x=180

x=15

1st angle=45

2nd angle=60

3rd angle=75

Answer 2

ist angle = 45.

2nd angle =60.

3rd angle = 75...

hope it helps uuuu