
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
If \( \triangle B_1B_2B_3 \) is an isosceles right triangle with \( \angle B_2 = 90^\circ \), and \( B_{n+3} \) is the midpoint of line segment \( B_nB_{n+1} \) for all positive integers \( n \), find the measure of \( \measuredangle B_{44}B_{45}B_{43} \).
A) \( 30^\circ \)
B) \( 45^\circ \)
C) \( 60^\circ \)
D) \( 90^\circ \)
E) \( 120^\circ \)

Present the answer in LaTex format: \boxed{Your answer}
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