Which property makes congruence an equivalence relation?
AAssociative and transitive only
BReflexive and antisymmetric only
CSymmetric and commutative only
DReflexive, symmetric and transitive
Answer & Solution
Correct answer: D. Reflexive, symmetric and transitive
A figure is congruent to itself, congruence works both ways, and chains of congruence carry over, so all three properties hold.
Keep practising Triangle Center
Browse all Triangle Center questions for SSC CGL, or explore more Quantitative Aptitude topics.
Related questions
Tangents PA and PB from P to a circle are perpendicular and PA = 7 cm. The radius isTangents are drawn at the two ends of a diameter of a circle. They areA triangle with sides 7, 9 and 10 cm has an incircle. The tangent length from the vertex oA tangent PT touches a circle at T and chord TM has angle TOM = 100° at centre O. Angle PTParallel chords of 6 cm and 8 cm lie on opposite sides of the centre of a 5 cm radius circChords AB and CD are equal and angle AOB = 70°, O being the centre. Angle COD isTwo chords of one circle are each 8 cm. One is 3 cm from the centre. The other isWhat is the length of the longest chord in a circle of radius 9 cm?