
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
The lengths of the bases of an isosceles trapezoid are in the ratio 5:12, and the length of its height is 17 cm. Calculate the radius of the circumcircle of the trapezoid, given that its midline equals the height.

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