1) Triangle![]() 6) Radius of circumcircle ![]() 7) Radius of incircle ![]() 8) Point where medians of a triangle meet is known as the Centroid. Centroid divides a median in the ratio 2:1. 9) Median divides a triangle into two parts of equal areas. 10) Sum of the angles of a triangle is 180°. 11) According to Triangle Inequality, Sum of two sides of a triangle is always greater than the third side. 2) Rectangle![]() 3) Circle![]() 4) Sector of a circle![]() |