Answer:

Step-by-step explanation:
Assuming the geometric series is

then nth term is
,
and the first term is found when
:

Answer:
x ≈ 10.92
Step-by-step explanation:
Using the sine ratio in the right triangle
sin83° =
= 
Multiply both sides by 11
11 × sin83° = x, thus
x ≈ 10.92 ( to 2 dec. places )
Answer:
Step-by-step explanation:
