The following figure has centroid at the point O
If AO = 6 cm , find the length of OR.
3 cm
O is the centroid
The centroid divides median in the ratio 2 : 1
AO : OR = 2 : 1
AO = 2x and OR = x
AO = 2x = 6 cm
⇒ x = 3 cm which is the length of OR