C-08-Q192mediumsingle_mcq
To find the centre of a circle (or arc), one takes—
To find the centre of a circle (or arc), one takes—
- aonly one point on the circle
- btwo points on the circle
- cthree different points on the circle
- dfour collinear points
ব্যাখ্যা
Three non-collinear points determine a unique circle: the perpendicular bisectors of the chords joining them meet at the single point equidistant from all three, which is the centre.