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obtuse angle (thing)
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(
thing
)
by
ModernAngel
Sat Nov 13 1999 at 14:55:18
In
geometry
, an
angle
whose
measure
is greater than
90
degree
s (
pi
/
2
radian
s).
The geometry of circles and seasonal change
common geometric formulas
cirrostratus
d10
Enneagonal
angle