the sum of the parts quote the sum of the deviations about the mean the sum of the parts the sum of the digits of a two digit no is 9 the sum of the power the sum of the angles of a triangle the sum of the parts is bigger than the whole the sum of the first 7 terms of an ap is 63 the sum of the third and the seventh term the sum of the reciprocal of rahman's age the sum of the numerator and denominator the sum of the digits of a two digit no is 12 the sum of the ages of two friends is 20 the sum of the ages of a father and son is 45 the sum of the squares of two numbers the sum of the interior angles of a polygon the sum of the exterior angles of a polygon the sum of the digits of a two digit no is 8 the sum of the interior angles of a hexagon the sum of the interior angles of a pentagon the sum of the measures of the interior angle the sum of the interior angles of a triangle what is the sum of the angles in a triangle the whole is greater than the sum of parts the age of father is twice the sum of ages