Respuesta :

A5hley

√2π / √5 (expand the expression)

√2π / √5  x  √5 / √5 (multiply the fractions)

√2π√5 / √5/√5 (calculate and multiply)

solution is √10π/5 so 1.98 round it to the nearest 10 and it'll be 2 so the answer is D