Mathematics · Relations and Functions
Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as aRb if a is congruent to b ∀ a, b ∈ T. Then R is
- 1none of these
- 2equivalence✓
- 3transitive but not symmetric
- 4reflexive but not transitive
Correct answer
equivalence
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