What is the length of the side between point A and point B?

There are exactly two values of y that make the points A = (0,1), B = (4, –10) and C = (-15, y) form a right triangle. The two values are (Enter exact values - integers or fractions of integers - with a comma between them.)

Find either angle by the betweer lines deseribed fellowing and -3x-y-4=0 K+2

What term describes the section between points A and D?