Class 11Mathematics10-1.Circle and System of CirclesGeometrical problems regarding circle and its properties
MediumThe line $ax + by + c = 0$ is a normal to the circle $x^2 + y^2 = r^2$. The portion of the line $ax + by + c = 0$ intercepted by this circle is of length:
- A$r$
- B$r^2$
- C$2r$
- D$\sqrt{r}$
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DifficultWBJEE 2011
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