Assertion: circle's equation | /r/HasProperty | substituted
Facets:
Source sentences:
text: The equation for circumference can be substituted in, then the whole equation can be simplified to: arc length = \(\theta
text: The equation for area can be substituted in, then the whole equation can be simplified to: area of sector = \(\theta \frac{\pi r^{2}}{2\pi}=\theta \frac{r^{2}}{2}\).