The sum of these two angles is 180°, therefore,
138° + (x + 8)° = 180°.
Simplify the left side of the equation.
146° + x = 180°.
Subtract 146 from both sides.
x = 34°
Answer:
3, 9, 27, 81, 243, 729, 2,187, 6,561, 19,683, 59,049, 177,147, 531,441, 1,594,323, 4,782,969, 14,348,907, 43,046,721, 129,140,163, 387,420,489, 1,162,261,467
Answer: 0.08
Step-by-step explanation: