The angles of a triangle are in the ratio 3:4:5. State whether the triangle is right triangle or not.
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Step-by-step explanation:
Let x be the angles
3x+4x+5x=180 (sum of triangle is 180)
12x=180
x=180/12
x=15
so,3x=45
4x=60
5x=75
Hence,not right angled triangle
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