C-08-Q183mediumsingle_mcq
The Work box accompanying Theorem 27 asks to prove that, for circles touching internally, the point of contact and the centres are—
The Work box accompanying Theorem 27 asks to prove that, for circles touching internally, the point of contact and the centres are—
- aunrelated
- bcollinear
- ccoincident
- dforming a right angle
ব্যাখ্যা
At the point where two circles touch, both centres lie along the common normal through that point, so the point of contact and the two centres all lie on one straight line — they are collinear.