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If the angles of a triangle are in the ratio 2:1:3, then find the measure of smallest angle.

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If the angles of a triangle are in the ratio 2:1:3, then find the measure of smallest angle.

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Let angles of a triangles are 2x, x and 3x, where x is the smallest angle. 

To find: measure of x. 

As, Sum of angles of a triangle = 180°

2x + x + 3x = 180° 

6x = 180°

x = 30°

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