Assertion: tangential polygon | /r/HasProperty | equilateral
Facets:
Source sentences:
text: A tangential polygon (one that has an incircle tangent to all its sides) is equilateral if and only if the alternate angles are equal (that is, angles 1, 3, 5, ... are equal and angles 2, 4, ... are equal).
text: Thus if the number of sides n is odd, a tangential polygon is equilateral if and only if it is regular.