The term "twofold rotational cemetery" does not correspond to a widely recognized concept or term. It may be a misinterpretation or a metaphorical expression. If you meant something specific, such as a unique architectural design or an artistic installation, please provide more context for a clearer response.
Any shape which, when rotated through 180 degrees appears to be the same as the original.
twofold doubleheader
Cemetery. There is no "a" in the word."
A message that contains two meanings.
Other words for "twofold" (also two-fold) are dual, double, paired, coupled, or twin. (e.g. a twofold reason for proceeding)In math, a twofold increase simply means that a rate has doubled.
A trapezium does not have rotational symmetry.
a heart have no rotational symmetry!
Cemetery
Sections are set by each cemetery. Sections are added as a cemetery expands.
It has 8 rotational symmetry.
It has 8lines of rotational symmetry
It has rotational symmetry to the order of 2