In the figure below, ⎯⎯⎯⎯⎯⎯⎯⎯,⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯,
B
L
¯
,
A
M
¯
,
and ⎯⎯⎯⎯⎯⎯⎯⎯⎯
C
K
¯
are medians of △

A
B
C
. If AM = 21 and LO = 4, then AO =

In the figure below B L A M and C K are medians of A B C If AM 21 and LO 4 then AO class=