Question 139
In a triangle ABC, median is AD and centroid is O. AO = 10 cm. The length of OD (in cm) is
Solution
A centroid divides a median in the ratio 2 : 1
=> $$\frac{AO}{OD} = \frac{2}{1}$$
=> $$\frac{10}{OD} = \frac{2}{1}$$
=> OD = 5 cm
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