leldkemkd leldkemkd
  • 26-07-2020
  • Mathematics
contestada

Please answer it now in two minutes

Please answer it now in two minutes class=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 26-07-2020

Answer:

3.6

Step-by-step explanation:

Pythagorean theorem:

a^2 + b^2 = c^2

(6 km)^2 + b^2 = (7 km)^2

36 + b^2 = 49

b^2 = 13

b = sqrt(13)

b = 3.6

Answer: 3.6 km

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