14. The four angles of a quadrilateral are in the ratio 3:6:9:12, then the measure of smallest angle is ______ degree *
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Step-by-step explanation:
let the angles be 3x,6x,9x, and 12x.
=) 3x + 6x + 9x + 12x = 360° ( angle sum property of a quadrilateral )
=) 30x = 360°
=) x = 12°
therefore, smallest angle is 3*12° = 36°
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