G is the centroid in the equilateral △ ABC. If AB = 10 cm then length of AG is :
G is the centroid in the equilateral △ ABC. If AB = 10 cm then length of AG is :
[A]
[B]
[C]
[D]
AB = 10cm
BD = 5 cm
∠ADB = 90°
∴ AD =
Hence option [C] is the right answer.
