Respuesta :

devishri1977

Answer:

45 cm

Step-by-step explanation:

Let length of the field in the drawing  = x

80 : 120 :: 30 : x

Product of extreme = Product of means

80 * x = 120 * 30

      [tex]x = \frac{120*30}{80}\\\\x = 15 * 3\\x = 45[/tex]