Consider triangle ABC with its centroid at point E and median AD. What is the length of AE if AD = 30?
Well, we knw that AE is twice as big as ED, and AE + ED = AD.
We can wwrite an equation:
2x + x = 30, where 2x is AE and x is ED.
3x = 30
x = 10
AE = 2x, so:
AE = 20
Answer: 20
