alleryCongruence between point sets is preserved under which motions?
AShear motions
BRigid motions
CScaling factors
DDilation maps
Answer & Solution
Correct answer: B. Rigid motions
Congruence requires points to be related by rigid motions like rotations and translations.
Keep practising Geometry: triangles (congruency, mid-point theorem)
Browse all Geometry: triangles (congruency, mid-point theorem) questions for ICSE Class 9, or explore more Mathematics topics.
Related questions
Match each special point of concurrency in triangles with its definition:Match each triangle inequality theorem with its rule:Match each geometric theorem on triangles with its conclusion:Match each triangle congruence criterion with its conditions:The centroid divides each triangle median from vertex to base in ratio:Taking one exterior angle at each triangle vertex, their sum is:An exterior angle of a triangle equals the sum of the two:That triangle angles sum to 180° is logically equivalent to the: