Assertion: panhandle's area | /r/HasProperty | 181,030 km2
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Source sentences:
text: Oklahoma covers an area of 69,898 square miles (181,030 km2), with 68,667 square miles (177,850 km2) of land and 1,231 square miles (3,190 km2) of water, making it the 20th-largest state in the United States.