Respuesta :

219.32 cm is the answer
a = 200 cm = 2 m 
b = 90 cm = 0,9 m
d = ? (m)

Pythagorean theorem
[tex]a^2+b^2=d^2[/tex]
 [tex]{d=\sqrt{a^2+b^2}=\sqrt{2^2+(0.9)^2}=\sqrt{4+0.81}=\sqrt{4.81}=2.19317 ...(m) \ \approx 219, 32 \ (cm)}[/tex]