Construction of Centroid

Q. Centroid divides the medians of a triangle in the ratio ______.

1. 1 : 3
2. 2 : 1
3. 1 : 4
4. 3 : 4

Q. The ratio that centroid divides the median is ______.

1. 2:1
2. 7:2
3. 3:5
4. 7:9

Q. In the triangle ABC, O is the incentre of triangle ABC. $\angle$OAF = 35° and $\angle$OBD = 20°, find the value of $\angle$ACB.

1. 35°
2. 120°
3. 110°
4. 70°