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Mark out Major axis A-B, and Minor axis D-E
Mark and insert pins at P1 and P2,
from C
on either side
Insert pin at E
Tie string firmly around these 3 pins
Remove pin at E, insert pencil inside string loop
and with string pulled taut, rotate pencil to draw the oval.
C to P1 and P2 = String Length = Area ft² Minor Axis |
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