# The angles of a t

Let x be the common multiple.

3x + 5x + 7x = 180

15x = 180

x = 180/15

x = 12
3x = 3 X 12 = 36

5x = 5 X 12 = 60

7x = 7 X 12 = 84

Since, all the angles are less than 90o. So, it is acute angled triangle.

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