Answer :



Ratio of interior angles = 1:2:3

Let the interior angles be x, 2x and 3x

Now, the sum of the interior angles of the triangle are 1800

x+ 2x + 3x = 1800

6x = 1800

x =

x = 300

Therefore, the interior angles are: 300, 600 and 900.

Now, the exterior angles will be found by subtracting from 1800 because they form a linear pair.

The exterior angles are: 1500, 1200 and 900.

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