Assertion: cross section | /r/HasProperty | semicircle
Facets:
value: to the x‐axis
type: TRANSITIVE-OBJECT
Source sentences:
text: Because the cross sections are semicircles perpendicular to the x‐axis, the area of each cross section should be expressed as a function of x. The diameter of the semicircle is determined by a point on the line x + 4 y = 4 and a point on the x‐axis (Figure 2 ).