import turtle
import math

tata = turtle.Turtle()

razao = 20
tata.fillcolor("Orange")
tata.speed(100)
for raio in range(30, 300, razao):
    tata.begin_fill()
    tata.circle(raio)
    tata.end_fill()
    distancia = math.sqrt((2*raio+razao)**2 - razao**2)
    tata.up()
    tata.forward(distancia)
    tata.down()