Assertion: prism's surface | /r/HasProperty | parallel
Facets:
value: to each other
type: OTHER
Source sentences:
text: All the light rays slow down and speed up at the same rate because both the surfaces are parallel.
text: The surfaces aren’t parallel to each other and so the light rays emerging out of the prism finally follow the path that is different from each other, giving a dispersed effect.
text: A pentagonal prism has five rectangular surfaces and two pentagonal bases, which are parallel.