In ΔABC, DE || BC such that AD/ DB = 3/5. If AC = 5.6 then AE = ?

BY Basic Proportionality Theorem:

If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.

=

=

3 ( = 5 AE

16.8 = 8AE

AE = 2.1 cm