4 yellow + 6 green + 10 purple = 20 total tiles
1st draw P purple: 10 purple/20 total
2nd draw P purple: 9 purple/19 total
Probability purple then purple (no returns):

= 90/380
= 45/190
= 9/38
Mark these points on the graph to form a right angled triangle.
Angle Y will be 90 degrees
Number 1 is 9.03 Hope this HELPS!!!!!
Answer:
your answer should be 200%