if one of the angles of a triangle is 65degrees and the other two angles are in the ratio 2:3,then find the other two angles
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sum of the three angles of a triangle is 180°
one angle =65°
the sum of the other two angles is
180°-65°=115°
the other two angles are in ratio 2 : 3
one angle is 2×115°/(2+3)=2×115°/5=2×23°=46°
another angle is 3×115°/(2+3)=3×115°/5
=3×23°=69°
the other two angles are 46° and 69°
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