6 units. AB and LO are congruent sides, and if AB= 6 units, then LO would be the same.
a/c = d/a
you would cross multiply to get aa = cd
aa = a^2
so you would have a^2 = cd
The answer would be D because when you divide 10 by 4 you take one fourth out of ten
Where is the figureeeee??