Question

WILL FAN & MEDAL !!!! HELP ASAP PLEASE !
Point G is the centroid of triangle ABC. If AF equals 9 cm, what is the length of AG?
a. 9 cm
b. 6 cm
c. 3 cm
d. 4.5 cm

Answer 1

AG is the 2/3rd part of AF.

Answer 2

@mikurout is there some step by step process to solve this ?

Answer 3

The centroid G , divides median in this way. So that AG will be 2/3rd of AF and GF will be 1/3rd of AF.

Answer 4

@mikurout i understand , but where do the numbers come in ?

Answer 5

Do you want to know how centroid is dividing in this way to the medians?

Answer 6

@mikurout yes please . i really need help...

Answer 7

here is a proof.
http://www.qc.edu.hk/math/Junior%20Secondary/Centroid%20divides%20medians%20in%202%20to%201.htm

Answer 8

@mikurout is it B ?

Answer 9

Yes.

Answer 10

thankyou :)

Answer 11

welcome.