Assertion: semicircle's radius | /r/HasProperty | half the diameter
Facets:
value: always
type: TEMPORAL
Source sentences:
text: Since the radius is half the diameter, the radius is .
text: For a semicircle with a diameter of a + b, the length of its radius is the arithmetic mean of a and b (since the radius is half of the diameter).
text: Also, this is important to know that the radius of a circle is always the half of its diameter.