the three angles of triangle are in ratio 3:4:5.find the value of all angles
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Step-by-step explanation:
sum of all angles of traingle is 180⁰
3x+4x+5x=180
12x = 180
x = 180/12
x = 15
3x= 3×15
= 45⁰
4x = 4×15
= 60⁰
5x= 5×15
= 75
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