campus placement TCS Test Series Quantitative Aptitude Geometry Triangles, Congruence and Similarity
If ABC is an equilateral triangle P, Q, R respectively denote the middle points of AB, BC and CA then :
1
PQR must be right angled triangle
2
PQR must be equilateral triangle
3
PQ + QR + PR = AB
4
PQ + QR + PR = 2AB