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In a triangle, measure of one angle is 60º. The measure of one of the remaining two angles is twice the other. Find the measure of the smallest angle of the triangle.

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1 Answer

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as the angle sum of triangle is 180
with one angle is 60 the sum of the remains two angles is 120

let the smallest angle be x
as the larger angle is twice of the smaller angle, it will be 2x
therefore, x+2x = 120, x= 40

so the smallest angel of the triangle is 40 degree
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