which number should replace both the asterisks in ( * / 20 ) x ( * / 180 ) = 1 ?
"let ( y / 20 ) x ( y / 180 ) = 1 y ^ 2 = 20 x 180 = 20 x 20 x 9 y = ( 20 x 3 ) = 60 the answer is c ."
sqrt(multiply(180, 20))