Question

Considere que:

POR FAVOR! AJUDA​

Answer 1

Resposta:

A)

2 *pi * r =40000

r=40000/(2*3,14) = 6369,43 km

B)

23+76=99º

C)

360 ----------------40000 km

99 -----------------x

x*360=99*40000

x=99*4000/360

x=1100 km