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Answer :

Royalnepal151go

Answer:

5 : 45

6 : 54

9 : 81

Step-by-step explanation:

Let the angles be 5x, 6x and 9x

Now

5x+6x+9x=180 (Sum of angle of a triangle)

20x = 180

x = 180/20

x=9

Now replacing the value of x

5x = 5*9 =45

6x = 6*9 =54

9x = 9*9 =81

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