Respuesta :

Answer:

100 m.

Step-by-step explanation:

Hence each triangle will have:

  • length as height
  • breadth as base
  • diagonal as hypotenuse

(diagonal)^2 = (length)^2 +(breadth)^2

(diagonal)^2 = 80*80 +60*60

(diagonal)^2 = 6400+3600

(diagonal)^2 = 10000  

diagonal= 100 m