Assertion: pentagon's angle | /r/HasProperty | consecutive
Facets:
Source sentences:
text: The sphinx may also tile the plane periodically, by fitting two sphinx tiles together to form a parallelogram and then tiling the plane by translates of this parallelogram, a pattern that can be extended to any non-convex pentagon that has two consecutive angles adding to 2π, thus satisfying the condition(s) of convex Type 1 above.