the diagonal of a square is 40 m . the area of the square is :
arear = 1 / 2 × ( diagonal ) ( power ) 2 = ( 1 / 2 × 40 × 40 ) m ( power ) 2 = 1600 / 2 = 800 m ( power ) 2 answer is c .
divide(power(40, const_2), const_2)