For ∆ABC, G is its centroid and D is midpoint of side BC. If AD is 9cm, then GD = ______.
A) 3 cm
B) 4.5 cm
C) 6 cm
D) 18 cm
Answers
Answered by
0
B) 4.5 cm
Step-by-step explanation:
AG + GD = AD
9/2 = 4.5
:)
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