69 In a triangle ABC, medians AD and BE intersect at G. If the length of median AD is 12 cm, what is the length of the segment AG?A4 cmB6 cmC8 cmD9 cmAnswer: C. 8 cm Read Explanation: In any triangle, the centroid (G) divides each median in the ratio 2 : 1, measured from the vertex.Thus,AG=23×ADAG=\frac{2}{3}\times ADAG=32×ADGiven:(AD=12) cmAG=23×12=8 cmAG=\frac{2}{3}\times12=8\text{ cm}AG=32×12=8 cmAnswer:8 cm\boxed{8\text{ cm}}8 cm Read more in App