Knowing rise over run is important for this!
• • • • *
• • • • • •
• • • • • •
• * • • •
• • • • • •
• • • • • •
0 1 2 3 4 5
(Best I can do with graphing)
So seeing the red octagons are your right angles and the * is what was given. Knowing you need a right angled triangle you can put (1,5) OR (5,2)