C-08-Q157mediumsingle_mcq
Two circles touch internally when their centres lie—
Two circles touch internally when their centres lie—
- aon opposite sides of the common tangent
- bon the same side of the common tangent
- ccoincident
- don the tangent
ব্যাখ্যা
When two circles touch internally, one lies inside the other, so the common tangent at the contact point leaves both centres on the same side. The distance between centres equals the difference of the radii.