
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
An isosceles right triangle with legs of length $12$ is partitioned into $18$ congruent triangles. If $12$ of these triangles are shaded, what is the shaded area?
A) $24$
B) $36$
C) $48$
D) $60$
E) $72$

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