Assertion: regular polygon's angle | /r/HasAspect | measure
Facets:
Source sentences:
text: For a regular convex n-gon, each interior angle has a measure of:
text: Each interior angle has a measure equal to $90^{\circ}$, and their sum is equal to $360^{\circ}$.
text: Let the exterior angle have measure "x"; The interior angle has measure "8x".