I hope this helps you
when x=20 y=30
x=40 y=60
y=40.3/2
y=x.3/2
y=3/2.x
Well because if you use 1,000 you know since 10 has 1 zero, you take 1 zero from 1,00 and it becomes 100.
D=2r
17×2=34 cm. As a result, the diameter of the circle is 34 cm. Hope it help!