Assertion: penis's length | /r/HasProperty | 13.24 cm
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Source sentences:
text: The 2015 study of 15,521 men, found that the average length of a stretched flaccid penis was 13.24 cm (5.21 inches) long, which is near identical to the average length of an erect human penis which is 13.12 cm (5.17 inches) long.