
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
In a modified staircase-shaped region, all angles that appear as right angles are right angles, and each of the twelve congruent sides marked with a tick mark have length 1 foot. The larger rectangle has dimensions such that its length is modified to 12 feet. If the region has an area of 85 square feet, what is the number of feet in the perimeter of the region? [asy]
size(140);
draw((7,9)--(0,9)--(0,0)--(12,0)--(12,4)--(11,4)--(11,5)--(10,5)--(10,6)--(9,6)--(9,7)--(8,7)--(8,8)--(7,8)--cycle);
label("12 ft",(6,0),S);
draw((10.85,4.5)--(11.15,4.5)); draw((9.85,5.5)--(10.15,5.5)); draw((8.85,6.5)--(9.15,6.5)); draw((7.85,7.5)--(8.15,7.5));
draw((11.5,3.85)--(11.5,4.15)); draw((10.5,4.85)--(10.5,5.15)); draw((9.5,5.85)--(9.5,6.15)); draw((8.5,6.85)--(8.5,7.15));
draw((7.5,7.85)--(7.5,8.15));
[/asy]

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