Question
The measures of two angles of a triangle are in the
ratio 3 : 7. If the sum of these two measures is equal to the measure of the third angle, then find the smallest angle.Solution
Let the angles of triangles =A, B and C A                B                    C 3      :          7         :          10 The sum of triangle angles =180 ATQ- 20 =180° 1=9° Smallest angle =3×9° =27°
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