3x+4x+5x=180
12x=180
x=15
therefore, the angles are,
3x= 3(15) = 45
4x=4(15)=60
5x=5(15)=75
this can be verified by,
75+45+60 = 180
hence the angles are 45, 60, 75.
Is this answer good enough?
Written on Sept. 10, 2019, 8:52 a.m.
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The angles of a triangle are in the ratio 3: 4: 5.Find the angle
Shruti Shibu
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