I believe that the answer is 100,000
Answer:
Those points are 
units apart.
Reverse your steps to see if u get what the questions originally asked.
Do sin(90)*13/15 which gives you 0.87 then do inverse of sin-1(0.87) which angle A = 60.45 degrees
Answer:
1, 5, 8
Step-by-step explanation:
1 is a vertical angle with angle 4, so is congruent.
5 is an alternate interior angle with angle 4, so is congruent.
8 is a corresponding angle with angle 4, so is congruent.
