The smaller angle, the clearer that arc length > outer limit length
That’s why constant Phew=3.17157 (times 2) applies for 1D (circumference), to accompany constant Pi=3.14159 for 2D (circular area)
15° arc > 15° outer base line
Published
The smaller angle, the clearer that arc length > outer limit length
That’s why constant Phew=3.17157 (times 2) applies for 1D (circumference), to accompany constant Pi=3.14159 for 2D (circular area)
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