Respuesta :

mhanifa

Answer:

#7

Use the equation of circumference:

  • C = πd

We have C = 40000 km

Find d:

  • d = 40000/3.14 ≈ 12738.85 km

#8

50°N and 50°S are parallel and equidistant to equator so their radius must be same:

  • r = 4000 km for both