<em>The answer is 25.12 exactly</em>
The answer to this question is D
Answer:
11 units
Step-by-step explanation:
the formula is (1/2)bh
here we have(1/2)b(4)
the area is 22, so (1/2)b(4)=22
plug in 11 and its correct
ANSWER

EXPLANATION
The general term for the sequence is

To find the 55th term, we have to substitute

in to the general term and simplify.
This implies that,




Therefore the 55th term is 161.