Steps:
(n-2) * 180 = sum of interior angles
(3-2) * 180 = 180
Bottom Triangle
25 + 51 + x = 180
x = 104
Top Triangle
104 + 34 + x = 180
x = 42
Answer:
42
It would be 80% since it decreases 20% each year so 20*4 is 80 so it’s 80%
Sinuar and radius of 16 are true
