Q14 of 69 Page 9

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

Let,

∠1 = 2k, ∠2 = k and ∠3 = 3k


∠1 + ∠2 + ∠3 = 180°


6k = 180


k = 30o


Therefore, minimum angle be ∠2 = k = 30o.


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