the angles of a triangle are in the ratio of 3 is to 5 is to 4 find measure of each angle
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2
3x+5x+4x=180
12x=180
x=180/12=15
3x=3×15=45
4x=4×15=60
5x=5×15=75
12x=180
x=180/12=15
3x=3×15=45
4x=4×15=60
5x=5×15=75
Answered by
4
let 1st angle =3x
let 2nd angle=5x
let 3rd angle=4x
1st angle+2nd angle+3rd angle=180°
[angle sum property]
3x+5x+4x=180°
12x=180°
x=180°\12
x=15°
1st angle=45°
2nd angle=75°
3rd angle=60°
let 2nd angle=5x
let 3rd angle=4x
1st angle+2nd angle+3rd angle=180°
[angle sum property]
3x+5x+4x=180°
12x=180°
x=180°\12
x=15°
1st angle=45°
2nd angle=75°
3rd angle=60°
golu112:
hi golu
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