Question

2V2 on the number line

Answer 1

We can use the fact that the diagonal of a square with side $s$ measures $s\sqrt{2}$.

So, if you build the square with vertices

$A=(0,0),\quad B=(0,2),\quad C=(2,0),\quad D=(2,2)$

The sides have length 2, and thus the diagonal AD is exactly $2\sqrt{2}$ units long.

Now, center a compass at A, and open it until you reach D. Draw the circle until you reach the x axis.

Since the circle has radius $2\sqrt{2}$, you will meet the x axis exactly at point $E=(2\sqrt{2},0)$, and you've drawn the point on the number line.

Answer 2

Answer=circumference of pie times the latitude of earths orbit times by pie of the gravitational pull of the moon