Assertion: heptagon's area | /r/HasProperty | 2 / 4 ≈
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Source sentences:
text: At the other extreme, the curve of constant width that has the maximum possible area is a circular disk, which has area π s 2 / 4 ≈ 0.78540 s 2 {\displaystyle \pi s^{2}/4\approx 0.78540s^{2}} .