Complete Question
The diagram for this question is shown on the first uploaded image
Answer:
The value of x is 
Step-by-step explanation:
From the question we are told that
The length of the vertical length is 
The length of the base leg is L = 330 + d units
The length of the bisecting line segment is h
The base angle is 
The angle between d and line segment is 
For the first angle

=> 
For the whole big triangle

=> 
So equating the both d

Substitute values




Step-by-step explanation:
6a.


6b.



First simplify the square roots:

Then simplify the last two terms:

Since 61 is prime, you can't take a rational root out of it.
Answer:
the answer is b
Step-by-step explanation:

try that then times it by 12.1