You can put this solution on YOUR website! 3+3=6 FOR THE LENGTH OF THE Y DISTANCE.
4-1=3 FOR THE LENGTH OF THE X DISTANCE.
THEREFORE WE HAVE A RIGHT TRIANGLE WITH SIDE LENGTHS OF 3 & 6.
A^2+B^2=C^2
3^2+6^2=C^2
9+36=C^2
45=C^2
C=SQRT45
C=6.7 IS THE DISTANCE BETWEEN THESE 2 POINTS.