find the area of the square , one of whose diagonals is 3.8 m long ?
area of the square = 1 / 2 ( diagonal ) ^ 2 = ( 1 / 2 * 3.8 * 3.8 ) m ^ 2 = 7.22 m ^ 2 answer ( a )
multiply(divide(const_1, const_2), multiply(3.8, 3.8))